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Botanicare Rhizo Blast - 1000 ML

Vegetative Stage Flowering Stage Indoor Outdoor Regular Watering Watering Systems Hydroponics Coco Coir Safe Soil Soilless

Botanicare Rhizo Blast - 1000 ML

$140.63
$140.63
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OTHER AVAILABLE SIZES / MODELS:

275 ML 1000 ML
Store Availability
Winnipeg, Manitoba
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Barrie, Ontario
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Newmarket, Ontario
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Pickering, Ontario
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Description

Botanicare Rhizo Blast is a liquid root growth supplement designed to support root growth across all grow mediums, including hydroponic, soil and coco coir gardens. It’s a roots-category nutrient supplement and a root-support supplement for growers who want a focused product that fits easily into established feeding programs without adding complexity.

Rhizo Blast is described as a proprietary formula with a blend of nutrients that helps root growth, making its purpose clear from the first pour: root-focused support that stays versatile across media. This broad suitability is one of the main buyer-intent reasons it’s chosen, especially for gardens that move between containers, beds, and water-based systems, or for growers who run multiple media types side by side.

As a compact facts layer, Rhizo Blast has an NPK of 1.15-0.5-1.15. The listed inputs include ammonium nitrate, potassium nitrate, monopotassium phosphate, and kelp (Ascophyllum nodosum), tying the formula to both mineral nutrient sources and a kelp component that many growers look for in a root-focused supplement. It also includes a wetting agent (yucca extract), which is specifically called out as part of the formula.

Timing and flexibility are built into how Rhizo Blast is positioned. It’s associated with vegetative / bloom use and is shown across key stages of growth, including seedlings/clones, vegetative growth, and the flowering phase. That makes it a practical option when you want one consistent root-focused product that can stay relevant as plants move from early establishment into higher-demand stages.

Botanicare Rhizo Blast is a good fit for growers who want a proprietary formula root growth supplement with a blend of nutrients, kelp (Ascophyllum nodosum), and a wetting agent (yucca extract), while keeping their setup flexible across all grow mediums in hydroponic, soil and coco coir gardens.

How To Use

How to Use Botanicare Rhizo Blast - 1000 ML

Step-by-step mixing and feeding instructions for Botanicare Rhizo Blast - 1000 ML.

Mixing & preparation

Fill your reservoir or watering container with clean, room-temperature water first. Shake the bottle of Botanicare Rhizo Blast - 1000 ML 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 — Rhizo Blast

  • Week 1: mix 0.53 ml per litre of water or nutrient solution.
  • Week 2: mix 0.53 ml per litre of water or nutrient solution.
  • Week 3: mix 0.53 ml per litre of water or nutrient solution.
  • Week 4: mix 0.53 ml per litre of water or nutrient solution.

Flowering stage — Rhizo Blast

  • Week 1: mix 0.53 ml per litre of water or nutrient solution.
  • Week 2: mix 0.53 ml per litre of water or nutrient solution.
  • Week 3: mix 0.53 ml per litre of water or nutrient solution.
  • 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.

Guaranteed Minimum Analysis
Total Nitrogen (N) 1.15%
Ammoniacal Nitrogen (N) 0.3%
Nitrate Nitrogen (N) 0.85%
Available Phosphate (P2O5) 0.5%
Soluble Potash (K2O) 1.15%

Derived From
Ammonium Nitrate
Potassium Nitrate
Monopotassium Phosphate
Kelp (Ascophyllum Nodosum)

Frequently Asked Questions
What Is ammoniacal nitrogen (N) and why do plants need It?

Ammoniacal Nitrogen (N) is a plant-available form of ammonium (NH₄⁺) that provides a steady, gentle source of nitrogen for healthy green growth. Unlike fast-release nitrogen types, ammoniacal nitrogen feeds plants slowly, helps stabilize root-zone pH, and works well in cooler temperatures. It is commonly used during early vegetative growth because it supports strong leaf development without burning young roots. If plants show pale leaves, slow growth, or weak stems, they may need more available ammoniacal nitrogen.

Read the full guide

What makes ammonium nitrate different from other nitrogen ingredients for plant growth?

Ammonium nitrate is unique because it provides nitrogen in two plant-usable forms at once, which can give a fast green-up while still supporting steadier uptake depending on the root-zone conditions. That matters because it can correct true nitrogen shortages quickly, but it also needs careful balance since too much can push overly soft growth and trigger pH drift and nutrient imbalances.

Read the full guide

What does available phosphate (P₂O₅) do for plant growth?

Available Phosphate (P₂O₅) supports root development, energy transfer, and early structural growth by providing a form of phosphorus that plants can absorb and use quickly.

Read the full guide

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.

Read the full guide

Why is soluble potash (K2O) important for plants?

Soluble potash (K2O) is important because it helps plants control water use, move sugars to new growth and fruit, and build stronger, higher-quality structure under stress. It’s unique from many other nutrients because it acts more like a regulator and transport helper than a direct “building material,” so the biggest benefits show up as steadier growth, stronger stems, and better finishing instead of just bigger leaves.

Read the full guide

Why is total nitrogen (N) important for plant growth, and what makes it different from other nutrients?

Total Nitrogen is important because it directly drives leafy growth, chlorophyll production, and overall growth speed, which sets the pace for the entire plant. It’s unique because the “total” number can include different nitrogen forms that behave differently in the root zone, meaning the same total amount can produce very different results depending on the nitrogen type and plant stage.

Read the full guide

What are the signs a plant could benefit from ascophyllum nodosum?

Plants may benefit from Ascophyllum nodosum when they show slow recovery after transplanting or pruning, uneven new growth, mild wilting during heat or light swings, or repeated “stall” periods even when feeding looks adequate. It’s unique because it helps the plant handle stress and regulate growth processes, so the goal is steadier roots and more consistent development rather than a quick nutrient-driven boost.

Read the full guide

What does monopotassium phosphate do for flowering plants?

Monopotassium phosphate provides fast phosphorus and potassium that support energy use, nutrient flow, and bloom development without adding nitrogen, so it helps flowering progress cleanly without pushing extra leafy growth. It’s unique because it delivers a focused PK boost in a highly soluble form, which can correct stage-related demand quickly, but it must be used carefully to avoid potassium-heavy imbalances that can block calcium and magnesium uptake.

Read the full guide

Is potassium nitrate better for quick deficiency correction than other potassium sources?

Potassium nitrate is often better for quick correction when the plant needs both potassium and fast nitrate nitrogen, because it dissolves cleanly and is taken up quickly, unlike potassium sources that don’t supply nitrogen. It’s unique because it can restore leaf color and growth momentum while also improving water regulation, but it can backfire if nitrogen is already high or if salt levels are already stressing the roots.

Read the full guide

Safety & Technical Documents
View full details
Nutrient Feed Chart

Vegetative — Rhizo Blast

Flowering — Rhizo Blast

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