API pH Downis a 4oz phosphate-free and nitrate-free pH adjuster designed to safely lower pH levels in freshwater aquariums, creating more acidic conditions suitable for fish and plants when levels rise too high. This fast-acting, colorless formula won’t cloud water or encourage algae growth, and should be used gradually to avoid shocking sensitive fish.

Specifications:

• Category:Water Treatment

• Brand:API

• For:Freshwater aquariums

• Volume:4 oz (118 ml)

• Dosage:1 ml per 10 gallons

• Key Features:Phosphate-free, nitrate-free, colorless

Key Features:

• pH Reduction:Lowers alkaline water to optimal acidic levels.

• Fast-Acting:Quickly adjusts pH when needed.

• Colorless Formula:Won’t cloud aquarium water.

• Algae Safe:Phosphate and nitrate-free prevents algae growth.

• Easy to Use:Simple measured dosing.

• Fish Health:Helps maintain proper pH for specific species.

• Gradual Adjustment:Safe for sensitive fish when used carefully.

Instructions for Use:Test water with API pH Test Kit. Add 1ml per 10 gallons. Wait and retest before adding more. Avoid changes greater than 0.2 pH in 24 hours.