Slow pH lowering action: Prevents rapid pH changes that could stress fish or damage plants
Phosphate-free and nitrate-free: Will not encourage algae growth in aquariums
Colorless and non-clouding: Maintains clear aquarium water appearance
Easy dosing instructions: Simple to use for both beginners and experienced aquarists
Safe for freshwater and saltwater: Versatile use across different aquarium types
Summarized by Shop
API® pH DOWN pH adjuster lowers pH to make freshwater aquariums more acidic for fish and plants when levels rise too high. pH is the measure of acidic or alkaline conditions in water, where a value of 7.0 corresponds to a neutral pH, pH values about 7.0 are considered alkaline, and pH values below 7.0 are considered acidic. Different fish
Form
Liquid
Volume
473 ml (16 fl. oz.) and 118 ml (4.5 fl. oz.) options
Recommended dosage
2.5 ml per 95 L (25 gallons) or 5 ml per 50 gallons
