Hanna HI-713 Phosphate Low Range Checker for Marine and Freshwater tetra To prevent problems: use 10

To prevent problems: use 10 ml per 100 litres (26 US gallons) weekly for a stable

a 3 ml Pasteur pipette

Four steps

Calcium levels should be checked regularly and adjusted to ensure optimal levels i

Hanna HI-713 Phosphate Low Range Checker for Marine and Freshwater tetra To prevent problems: use 10The HI 713 Checker is a fast and accurate method for measuring low range phosphate within all kinds of aquariums, including reef, marine and freshwater fish tanks. This compact digital tester allows you to determine the amount of phosphate in tank water, with a single button operation and clear, easy to read results on an LCD screen in ppm. The HI 713 electronic tester covers the low range for phosphate testing in aquarium water, from 0. 00 2. 50 ppm.