API pH Up – Freshwater Aquarium pH Raising Solution API® pH Up helps raise low pH levels in freshwater aquariums, making the water more alkaline and suitable for fish that require a higher pH environment. Its fast-acting, colorless formula is easy to use and will not cloud aquarium water. Product Benefits Raises pH levels in freshwater aquariums Helps correct water that is too acidic Supports healthier water conditions for fish Fast-acting and easy to use Colorless formula Will not cloud aquarium water Phosphate-free and nitrate-free Does not encourage algae growth Why pH MatterspH measures how acidic or alkaline aquarium water is. A pH of 7.0 is neutral, above 7.0 is alkaline, and below 7.0 is acidic. Different fish require different pH levels, so regular water testing is important. When to UseUse when aquarium water testing shows that pH is too low and needs to be raised. Usage ReminderTest aquarium water regularly and always follow the dosage instructions on the product label.