Skip to product information
1 of 1
Advanced Nutrients US flag

Official Reseller

Provision Gardens is an official reseller of this brand.

Our inventory is sourced directly from the manufacturer and/or authorized distribution partners. We do not sell used items or unverified/old stock. This helps ensure product authenticity, freshness, and the high standard you expect.

Advanced Nutrients pH Perfect Connoisseur Grow A - 4 Litre

Advanced Nutrients pH Perfect Connoisseur Grow A - 4 Litre

Regular price $82.99
Regular price Sale price $82.99
Shipping calculated at checkout.

OTHER AVAILABLE SIZES / MODELS:

Store Availability
Barrie, Ontario
Available
Newmarket, Ontario
Unavailable
Pickering, Ontario
Unavailable
Winnipeg, Manitoba
Unavailable

Out of stock at your chosen pickup location? We'll automatically transfer inventory from another location so it's ready at your selected pickup location. (Ontario Only)

Quantity
Qualifies for Free Shipping Promotion

Description

Advanced Nutrients pH Perfect® Connoisseur® Grow A+B is a two-part base nutrient system for the vegetative stage, built to support strong growth with less manual pH balancing. It’s an ultra-premium base fertilizer designed for sophisticated grows where consistency and nutrient availability matter.

This formula combines pH Perfect technology with super-absorptive chelation to help keep key elements available in demanding environments. A wide range of chelated micronutrients, along with macro and secondary nutrients, is positioned to support vigorous vegetative development and help plants build sturdier stalks for a stronger finish. By focusing on stable pH levels, it also helps reduce stress tied to pH swings, keeping growth moving forward instead of stalling.

For modern setups, pH Perfect® Connoisseur® Grow A+B is specially designed for use with diverse hydroponic growing media and is suited to watering systems, including aeroponics, drip irrigation and emitters, nft, flood and drain, and deep water culture. It’s also positioned for indoor / outdoor gardens, so it can stay in place as your environment and irrigation style evolve.

For a compact facts layer, the stated npk is 4-0-0 for Part A and 1-2-7 for Part B. The formula also highlights amino acid complexes and humic acid, plus Wet Betty, a non-ionic surfactant, as built-in inputs that support nutrient absorption through the root zone and help reinforce the product’s chelation-focused approach. As a formulation note, Advanced Nutrients states it does not use paclobutrazol, daminozide, or other banned plant growth regulators in its products.

This is a good fit for experienced growers who want an ultra-premium, two-part base nutrient system for the vegetative stage, with pH Perfect technology, chelated micronutrients, and broad coverage across hydroponics, coco coir, and automated watering systems.

How To Use

How to Use Advanced Nutrients pH Perfect Connoisseur Grow A - 4 Litre

Step-by-step mixing and feeding instructions for Advanced Nutrients pH Perfect Connoisseur Grow A - 4 Litre.

Mixing & preparation

Fill your reservoir or watering container with clean, room-temperature water first. Shake the bottle of Advanced Nutrients pH Perfect Connoisseur Grow A - 4 Litre well before every use. Using the feeding schedule below, measure the recommended dose and add it directly to the water while stirring. Allow the solution to mix fully before adding any other fertilizers, additives, or supplements.

Always add nutrients to water — not the other way around. Mix thoroughly between products to ensure an even, stable nutrient solution.

Week-by-week feeding schedule

Vegetative stage — Grow A

  • Week 1: mix 1.0 ml per litre of water or nutrient solution.
  • Week 2: mix 2.0 ml per litre of water or nutrient solution.
  • Week 3: mix 3.0 ml per litre of water or nutrient solution.
  • Week 4: mix 4.0 ml per litre of water or nutrient solution.

Flowering stage — Grow A

  • Week 1: do not use this product during this week of flowering.
  • Week 2: do not use this product during this week of flowering.
  • Week 3: do not use this product during this week of flowering.
  • Week 4: do not use this product during this week of flowering.
  • Week 5: do not use this product during this week of flowering.
  • Week 6: do not use this product during this week of flowering.
  • Week 7: do not use this product during this week of flowering.
  • Week 8: do not use this product during this week of flowering.

Tips for best results

  • Maintain pH and EC/ppm within the range recommended for your growing medium and crop.
  • Use fresh nutrient solution whenever possible and avoid leaving mixed solution stagnant for long periods.
  • Store nutrients in a cool, dark place away from direct sunlight and extreme temperatures.
  • Keep bottles tightly sealed when not in use to reduce air exposure and preserve product quality.
  • Use clean measuring tools and regularly rinse or clean your reservoir, lines, and irrigation equipment.

Common mistakes to avoid

  • Do not mix different nutrients or additives together in concentrated form before adding them to water.
  • Do not exceed the recommended dosage unless you are following a tested, crop-specific feeding plan.
  • Do not skip pH or EC/ppm checks when growing in hydroponic or soilless systems.
  • Do not allow the nutrient solution to freeze or overheat, as this can damage the formulation.
  • Do not ignore the directions on the product label for your specific crop, growth stage, and system type.

Warnings & Safety

Warning – Important Safety Information

This product may cause mild skin irritation and eye irritation. Avoid unnecessary contact with skin, eyes, and clothing. Use only as directed.

General safety precautions

Read and follow all instructions on the product label and any accompanying documentation before use. Keep out of reach of children and pets. Do not ingest. Avoid breathing vapours, mist, or dust that may be generated during handling or use.

Wear appropriate personal protective equipment (PPE), such as protective gloves, long sleeves, long pants and closed-toe footwear. When there is a risk of splashing or airborne particles, use safety glasses or other suitable eye and face protection.

First aid – skin contact

IF ON SKIN OR HAIR: Remove contaminated clothing immediately. Rinse skin with clean water for several minutes, then wash with mild soap and water. If irritation or redness develops and persists, seek medical attention. Wash contaminated clothing before reuse.

First aid – eye contact

IF IN EYES: Rinse cautiously with clean water for several minutes, keeping eyelids open. Remove contact lenses if present and easy to do. Continue rinsing. If irritation persists, obtain medical advice.

First aid – ingestion and inhalation

IF SWALLOWED: Rinse mouth thoroughly with water. Do not induce vomiting unless instructed by a medical professional. Seek medical attention if you feel unwell.

IF INHALED: Move the person to fresh air and keep them comfortable for breathing. If coughing, breathing difficulty, dizziness or other symptoms occur, seek medical assistance.

Storage and handling

Store this product in its original closed container, in a cool, dry and well-ventilated area. Protect from extreme temperatures and direct sunlight. Keep container tightly sealed when not in use.

Avoid release to drains, natural waterways or outdoor soil. Dispose of unused product and empty containers in accordance with local regulations and the directions on the label.

Important: If medical advice is needed, keep the product label or container available. Always follow the specific instructions and safety recommendations provided by the manufacturer. This safety notice is intended as general guidance and does not replace official label directions or documentation.

Frequently Asked Questions

What is boron amino chelate used for in plants?

Boron amino chelate is used to supply tiny, precise amounts of boron to support healthy new growth, strong cell structure, and reliable flowering or fruit development. It’s important because boron has a narrow safe window and problems show up quickly at growing tips, and it’s unique because the amino-chelated form is designed to move more smoothly and predictably through the plant compared with harsher boron sources.

Why is calcium important for plant growth?

Calcium is important because it builds and stabilizes plant cells as they form, acting as the structural support that keeps new growth strong and functional. Unlike other nutrients that drive color or speed of growth, calcium’s role is unique because it controls cell wall strength and membrane stability, making it essential for healthy roots, shoots, and long-term plant resilience rather than quick visual results.

Why do growers use calcium nitrate instead of other calcium sources?

Calcium nitrate is important because it supplies calcium in a fast, highly available form that supports strong new growth and healthy root tips, while also providing nitrate nitrogen for steady, usable growth energy. It’s unique because it delivers calcium together with nitrate nitrogen, making it especially effective during rapid growth phases when plants need both structure-building calcium and immediately available nitrogen at the same time.

Why is chelated iron important for plants, and what makes it different from other iron sources?

Chelated iron is important because it keeps iron usable for plants even when growing conditions would normally lock iron out, helping prevent the classic yellow-new-leaf symptom caused by low chlorophyll production. It is unique from other iron sources because the chelation protects iron from becoming insoluble, making it a more reliable way to correct iron-related chlorosis when regular iron can fail.

Why is chelated manganese (Mn) important for plant growth?

Chelated manganese is important because it keeps manganese available for photosynthesis and enzyme activity even when pH or water chemistry would normally lock it out, and it’s unique from similar micronutrients because it strongly supports the plant’s energy-processing systems that drive healthy, resilient new growth.

What is cobalt amino acid chelate used for in plant growth?

Cobalt amino acid chelate supplies cobalt in a gentle, highly available form that can be especially important for legumes because it supports healthy root nodules and better nitrogen use, and it’s unique because it works at tiny trace levels where too much can quickly cause imbalance.

Why is copper amino acid chelate important for healthy plant growth?

Copper amino acid chelate supplies copper in a gentle, highly usable form that supports plant energy movement, strong new growth, and better stress tolerance, especially when copper would otherwise get tied up in the root zone. It’s unique because the amino acid chelate helps keep copper available and controlled in tiny amounts, which matters because copper has a narrow window between deficiency and excess.

Why is copper EDTA used in plant nutrition instead of plain copper?

Copper EDTA helps keep copper dissolved and available to roots longer, so plants can absorb it more consistently when copper would otherwise tie up in the growing medium. It’s important because copper supports enzyme activity and healthy new growth, and it’s unique because the chelate improves predictability while allowing very small, controlled copper dosing.

Why is humic acid important for plant growth?

Humic acid is important because it improves root health and nutrient uptake by keeping minerals available, stabilizing the root zone, and supporting beneficial biology, which makes growth more consistent. It’s unique because it doesn’t act like a direct nutrient boost—its main power is improving the root environment so plants can use what’s already there more efficiently.

What does nitrate nitrogen (N) do for plants?

Nitrate Nitrogen provides a stable, easy-to-absorb form of nitrogen that supports steady growth, strong foliage, and reliable plant development without sudden nutrient swings.

Why is total iron (Fe) important for plant growth?

Total iron (Fe) matters because iron supports chlorophyll development and plant energy systems, keeping new growth green and vigorous; it’s unique from many other nutrients because iron deficiency usually shows up first in young leaves even when older leaves stay green, since iron doesn’t easily move within the plant.

Why is total manganese (Mn) important for plant growth?

Total manganese matters because it supports photosynthesis and enzyme activity that keep new growth green and vigorous, and it’s unique because “total” manganese measures what’s present but not necessarily what the plant can absorb—so pH and root conditions decide whether manganese helps or harms.

Why is water soluble iron (Fe) important for plants, and what makes it different from other iron forms?

Water soluble iron (Fe) is important because it becomes available quickly, helping plants produce healthy green new growth when iron is limited or locked out. It’s unique because it works fast in the root zone compared to less available iron sources that may exist in the medium but can’t be absorbed easily, especially when pH conditions reduce iron uptake.

Why is water soluble magnesium important for plant growth?

Water soluble magnesium is important because it quickly restores the plant’s ability to make chlorophyll and produce energy, which helps stop interveinal yellowing on older leaves and improves overall nutrient use; it’s unique because it becomes available immediately in water, making it faster and more predictable than slower magnesium sources.

Why is water-soluble manganese important for plant growth?

Water-soluble manganese is important because it becomes available quickly to power photosynthesis and enzyme activity, helping plants stay greener and grow more efficiently. It’s unique from many other nutrients because it acts like an internal “growth engine” that drives key reactions rather than simply serving as a building material.

What does free-form EDTA actually do for plants?

Free-form EDTA helps by binding reactive metal micronutrients so they stay soluble and available for uptake instead of getting tied up by pH, hard water, or root-zone chemistry. It’s unique because it isn’t a nutrient itself and isn’t pre-attached to one metal, so it can stabilize whatever trace metals are present, which is helpful when availability is the real problem rather than how much you added.

Why does iron amino acid chelate green up new leaves faster than many other iron sources?

Iron amino acid chelate keeps iron in a plant-ready form and pairs it with amino acids that roots can recognize and transport, so iron reaches new growth quickly when pH or stress would otherwise lock it up. It’s important because iron drives the enzymes behind chlorophyll and energy production, and it’s unique because it delivers iron efficiently without relying on harsher iron salts or overly persistent chelating chemistry.

What does Iron DTPA do for pale new growth?

Iron DTPA keeps iron dissolved and available in the root zone so plants can build chlorophyll properly in new leaves, which is why it’s so effective for yellowing at the growing tips. It’s unique because the DTPA chelate protects iron from becoming tied up as quickly as many non-chelated sources, making it a dependable fix when pH drift or water alkalinity would otherwise cause iron lockout.

Why is Iron EDDHA better for plants growing in high-pH soil?

Iron EDDHA is important because it keeps iron usable when alkaline conditions would normally lock iron away, helping new leaves stay green and growth stay strong. It’s unique because it remains stable and plant-available at higher pH where many other iron forms quickly stop working.

What makes iron EDTA effective for fixing pale new leaves?

Iron EDTA keeps iron dissolved and available long enough for roots to absorb it, which is why it can quickly improve new growth color when iron is tied up in the root zone. It’s unique because the EDTA chelate balances stability and accessibility, making iron more reliably usable in mildly acidic to near-neutral conditions compared to many non-chelated iron forms.

What does L-alanine do for plants?

L-alanine supports steady plant metabolism by helping the plant process nitrogen and carbon smoothly during growth and mild stress, which can improve consistency and recovery rather than forcing a dramatic surge. It’s unique because it works inside the plant’s internal chemistry as a flexible building-block amino acid, not as a mineral nutrient supply or a root-zone changer.

What does L-arginine do for plants?

L-Arginine helps plants rebuild and restart growth by supplying a nitrogen-rich amino acid that supports internal protein building and nitrogen handling, especially during stress recovery. It’s unique because it carries a dense amount of nitrogen compared to many other amino acids, making it closely tied to strong rebound growth when conditions improve.

What does L-aspartic acid do for plants?

L-aspartic acid helps plants handle nitrogen more efficiently and keeps core metabolism running smoothly, which supports steadier growth and faster recovery after stress. It’s unique because it acts like a central “routing” amino acid that feeds multiple growth pathways instead of targeting just one visible function.

Is L-cysteine mainly a growth booster or a stress protector in plants?

L-cysteine is primarily a stress protector because its sulfur-based chemistry supports redox balance, antioxidant buffering, and stable protein function, which keeps growth steady under real conditions. It’s unique from most amino acids because its thiol and disulfide switching with L-cystine links plant nutrition directly to stress recovery rather than just building tissue.

What does L-glutamic acid do for plants?

L-glutamic acid helps plants process and move nitrogen into usable building blocks that support steady green growth and recovery, making it important because it improves nutrient efficiency rather than just adding more nutrition. It’s unique because it acts as a central nitrogen “connector” in plant metabolism, influencing many growth functions indirectly instead of creating one narrow, single-effect result.

What does L-glutamine do for plants?

L-glutamine helps plants carry and use nitrogen efficiently for steady growth and recovery, especially when demand is high. What makes it unique is that it acts like a central nitrogen shuttle inside the plant, supporting how nitrogen becomes new tissue rather than simply adding another basic nitrogen source.

What does L-glycine do for plants?

L-glycine helps plants build proteins and maintain efficient leaf function, which supports smoother growth and cleaner recovery from stress. It is unique because it works as a core internal building block that improves how plants use what they already have, rather than acting like a single-purpose nutrient or external trigger.

How does L-histidine help plants handle micronutrients?

L-histidine helps plants keep certain micronutrient metals in controlled, usable forms so they can be moved and used in new growth without causing stress, which makes it especially important for steady color and faster recovery during demanding conditions. Unlike many similar amino acids that mainly act as simple building blocks, L-histidine is unique because its chemistry supports enzyme stability and metal handling that directly affects nutrient balance.

What does L-hydroxyproline do for plants?

L-Hydroxyproline supports stronger plant structure by helping tissues build and reinforce themselves, which can improve posture, rooting stability, and recovery after stress. It’s unique because it’s more connected to tissue strength and resilience than to simple “greening” or basic feeding effects.

What does L-isoleucine do for plant growth?

L-isoleucine helps plants maintain steady growth by supporting protein rebuilding and stress recovery, so they lose less time to heat, transplant shock, or other common setbacks. It’s unique because it functions less like a “push” input and more like a resilience amino acid that helps the plant stay metabolically stable when conditions fluctuate.

What does L-leucine do for plants?

L-Leucine supports efficient protein rebuilding and nitrogen handling, which helps plants recover faster after stress and maintain steadier, sturdier growth. It’s unique because it works more like a recovery-focused building block than a classic nutrient that fixes a clear deficiency pattern.

What does L-lysine do for plants?

L-Lysine supports steady protein building and stress recovery, helping plants restart consistent growth after setbacks instead of swinging between stalling and pushing. It’s unique because it’s a true protein amino acid tied to balanced rebuilding, not just a quick greening effect.

What does L-methionine do for plants?

L-methionine helps plants build proteins while also supporting sulfur-based growth signals and protective compounds, which is why it often shows up as steadier new growth and better recovery after stress. It is unique because it carries sulfur and feeds into regulation and resilience at the same time, rather than acting like a simple generic building block.

What does L-phenylalanine do for plants?

L-phenylalanine helps plants build key structural and protective compounds that support sturdier tissues and steadier stress response, making it especially useful for resilience and “plant strength” rather than fast, bulk growth like more general inputs.

What does L-proline do for plants under stress?

L-Proline helps plants hold onto water and protect cells during heat, drought, salinity, or cold, which supports steadier growth and faster recovery. It’s unique because it acts like a stress-protection molecule, not just a building block like many other amino acids.

What does L-serine do for plants?

L-serine helps plants build proteins and cell membranes while supporting the metabolic pathways that keep photosynthesis and stress recovery running smoothly, making it unique because it feeds multiple growth systems at once instead of driving just one targeted effect.

What does L-threonine do for plant growth?

L-threonine helps plants build new tissues more consistently by supporting protein formation in fast-growing parts like roots and new leaves, which matters most during transitions and mild stress. It is unique because it tends to improve growth quality and steadiness rather than causing a single dramatic change, so plants keep forming clean, sturdy new growth instead of stop-start development.

Why does L-tryptophan matter so much for root development?

L-Tryptophan matters because plants use it not only to build proteins, but also as a key starting material for growth signals that guide root branching and fine root hair formation. That makes it unique from many other amino acids, because it can influence how growth is organized and directed, not just how fast new tissue is built.

Is L-tyrosine mainly for growth or stress resistance?

L-Tyrosine is important because it helps plants build protective and structural compounds that support steady performance under stress, not just fast growth. What makes it unique is its strong connection to pathways that influence tissue strength, color stability, and defense chemistry, so it’s most noticeable when plants need resilience and recovery rather than a simple nutrient “push.”

What does L-Valine do for plants?

L-Valine helps plants maintain steady growth and recover faster from stress by supporting protein-building and energy-linked metabolism, which makes it unique from many other amino acids that focus more on nitrogen storage or specialized pathways.

What makes magnesium amino acid chelate different from other magnesium sources for plants?

Magnesium amino acid chelate is important because magnesium powers chlorophyll and plant energy, and the amino acid chelate helps magnesium stay available and move into the plant more reliably when pH, cold roots, or nutrient competition would slow uptake. Its uniqueness is the “delivery advantage,” meaning it focuses on efficient absorption and steadier response rather than simply adding more magnesium in a basic salt form.

What does magnesium nitrate do for plants?

Magnesium nitrate supplies fast-available magnesium for chlorophyll and photosynthesis while also adding nitrate nitrogen that can speed up greening and growth. It’s unique because it can correct magnesium-related yellowing quickly but also changes growth momentum, so it’s most valuable when magnesium is truly limiting and the plant can safely use extra nitrate.

What does manganese amino chelate do for plant leaves?

Manganese amino chelate helps keep manganese available for steady uptake, which supports photosynthesis and clean, even green new growth. It is unique because the amino-based chelation is designed for gentle stability in the root zone, making manganese less likely to lock out or precipitate compared with more reactive forms.

What makes manganese EDTA different from other manganese sources?

Manganese EDTA is unique because the EDTA chelate keeps manganese stable and more available during delivery, helping plants absorb it more reliably when manganese would otherwise lock up. This matters because manganese drives key enzyme functions tied to photosynthesis and healthy new growth, so consistent availability can prevent pale, chlorotic young leaves and stalled vigor.

What does molybdenum amino chelate do for plant nitrogen use?

Molybdenum amino chelate helps plants convert available nitrogen into usable building blocks for growth, so leaves green up more reliably and new growth develops with better vigor. It’s unique because it works mainly by unlocking a critical enzyme step in nitrogen processing rather than acting as a bulk nutrient itself.

What are the early signs a plant needs zinc amino chelate?

Early signs include pale, undersized new leaves, tight spacing between nodes, and slightly distorted tips while older leaves still look relatively fine. Zinc amino chelate is important because it delivers zinc in a steadier, more root-available form that’s less likely to get tied up in the root zone, making it uniquely reliable compared with more reactive zinc forms.

What makes zinc EDTA better for preventing zinc lockout?

Zinc EDTA is important because it keeps zinc available in the root zone when pH or water chemistry would normally tie zinc up, helping new growth develop normally before deficiency symptoms get worse. It’s unique from other zinc forms because the EDTA chelate shields zinc in solution, making delivery more consistent when conditions are not ideal.

View full details
Nutrient Feed Chart

Vegetative — Week 1

  1. Grow A
  2. Grow B
  3. Bloom A
  4. Bloom B
  5. B-52
  6. Voodoo Juice
  7. Big Bud
  8. Overdrive

Flowering — Week 1

  1. Grow A
  2. Grow B
  3. Bloom A
  4. Bloom B
  5. B-52
  6. Voodoo Juice
  7. Big Bud
  8. Overdrive

Product Comparison