Safely changes pH in freshwater aquariums. Concentrated. Liquid pH Control. pH Up is fast acting and colorless, it raises pH and makes water more alkaline without clouding the water. The pH Down liquid makes aquariums more acidic. It will not cloud or color aquarium water.
Discover the Top Fish and Their Care View FREE eBooks on America's top fish species. Learn which fish may be best for you, where to get your fish, and much more!
Aquarium Care - how to set up and care for your aquarium
Angelfish - lively and pretty fish that can be aggressive to smaller fish
Goldfish - arguably the most recognizable aquarium fish in the world
Bettas - also known as “Siamese Fighting Fish” the males are very aggressive
Fish Feeding - keeping your fish fed and well cared for
Oscars - large, strong, and curious fish often called “Velvet Cichlids”