Different fish need different pH levels to be healthy. API makes great products to test and adjust the pH when necessary.
pH UP raises pH to make aquarium water more alkalineLearn More
pH DOWN lowers pH to make freshwater aquariums more acidic for fish and plantsLearn More
PROPER pH® 6.5Learn More
PROPER pH® 7.0
Proper pH 7.0 easily sets and holds pH at 7.0 in tropical community aquariumsLearn More