API pH Up 4 oz Fish Tank Maintenance Tool The API® CALCIUM TEST KIT

The API® CALCIUM TEST KIT measures calcium levels as low as 20 mg/L to help you keep your reef inhabitants healthy

as ammonia is the number one stressor and killer of tropical fish

with a volume of 7

Excess phosphate contributes to unsightly algae and green water blooms

API pH Up 4 oz Fish Tank Maintenance Tool The API® CALCIUM TEST KITAPI pH UP pH adjuster raises pH levels in your aquarium to make water more alkaline when levels fall too low. 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 need different pH levels to be healthy, so it is important to test your water regularly to ensure pH levels fall where they