• Advanced Nutrients pH Down - 4 Litre
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Product benefits

  • Lowers pH
  • Concentrated Formula
  • Consistent Results
  • Multi-System Use

This product may offer additional benefits beyond those listed.

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Advanced Nutrients pH Down - 4 Litre

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

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Product benefits

  • Lowers pH
  • Concentrated Formula
  • Consistent Results
  • Multi-System Use

This product may offer additional benefits beyond those listed.

Description
Description
Advanced Nutrients pH Down is a highly concentrated pH adjuster designed for lowering pH to support optimal nutrient absorption and help prevent nutrient lockout. It’s a straightforward pH control solution for growers who want tighter pH management as part of consistent plant performance.

This pH down formula is engineered with phosphoric acid and built around highly stable buffers for more precise pH control. The concentrated profile is made to deliver longer use from each bottle while keeping pH levels more consistent in real-world gardens. For shoppers who like a compact facts layer, this product is listed with an NPK of 0-55-0.

Advanced Nutrients positions pH Down for both vegetative stage and blooming stage gardens, with indoor / outdoor suitability. It’s also described as coco coir safe, and it’s specially designed for use with diverse hydroponic growing media. That makes it relevant for a wide range of modern setups where pH stability plays a direct role in nutrient availability.

pH Down is also described as suitable for continuous liquid-feed growing systems such as aeroponics, drip irrigation and emitters, nft, flood and drain, and deep water culture. This is a good fit for growers who want a phosphoric-acid-based pH reducer with stable buffers for hydroponics and other watering-system environments where consistent pH supports reliable nutrient absorption.
Product benefits
Vegetative Stage; Flowering Stage; Indoor; Outdoor; Regular Watering; Watering Systems; Coco Coir Safe; Hydroponics; Soil; Soilless; Lowers pH; Concentrated Formula; Consistent Results; Multi-System Use.
Guaranteed analysis
Available Phosphate (P2O5): 55.0%.
Derived from
Phosphoric Acid.

Warnings & Safety
Chemical Handling Safety

DANGER: This product may be corrosive and can cause severe skin burns and serious eye damage. Read the product label before use and use only as directed.

Chemical Safety Precautions

Keep out of reach of children and pets. Do not breathe fumes, mist, vapour, or spray. Avoid contact with skin, eyes, and clothing. Wear protective gloves, protective clothing, and eye or face protection when handling this product.

Chemical First Aid – Skin Contact

IF ON SKIN OR HAIR: Remove contaminated clothing immediately. Rinse skin with water or shower. Wash contaminated clothing before reuse. Seek medical advice if irritation, burning, or discomfort persists.

Chemical First Aid – Eye Contact

IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Contact a poison centre or doctor immediately.

Chemical First Aid – Ingestion

IF SWALLOWED: Rinse mouth. Do not induce vomiting unless instructed by a medical professional. Contact a poison centre or doctor immediately.

Chemical First Aid – Inhalation

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.

Chemical Storage And Handling

Store locked up, tightly closed, and in the original container. Keep only in original packaging. Absorb spillage to prevent material damage. Dispose of contents and container according to local regulations and the product label.

Chemical Important – Medical

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
Available Phosphate (P2O5) 55.0%

Derived From
Phosphoric Acid

Frequently Asked Questions
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

Can phosphoric acid cause nutrient lockout?

Yes, it can if it pushes phosphorus too high or drives pH too low, because both conditions can reduce the plant’s ability to take up key micronutrients and calcium even when they’re present in the feed, which makes phosphoric acid uniquely powerful compared with slower, gentler phosphorus sources.

Read the full guide

Safety & Technical Documents

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