Peters Excel Acidifier stabilizes your growing media’s pH. Its high chelated trace-element levels give your crops outstanding color and growth, while our unique M-77 technology ensures maximum nutrient absorbability.

Peters Excel Acidifier is a premium water-soluble fertilizer designed for use in hard water conditions. It neutralizes bicarbonates in the irrigation water, stabilizes the pH of your growing media, and provides essential nutrients to enhance plant growth and color.
To use Peters Excel Acidifier, prepare your stock solution 1-2 hours before use. Stir well or use warm water to ensure complete dissolution. Do not mix it with other NPK or phosphate-containing fertilizers, except phosphoric acid.
Using Peters Excel Acidifier improves irrigation water quality, stabilizes pH levels, prevents dripper blockages, and enhances nutrient absorption due to its high chelated trace-element content and M-77 technology.
Yes, Peters Excel Acidifier is suitable for various irrigation systems. It helps keep the systems clean and prevents dripper blockages, extending the life of your irrigation setup.
It’s recommended to trial the product on a small scale before making any significant changes to your application rate or method.
Calculators to improve nutrient management and boost productivity