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Smaller in size
Live plant adaptor ring
and the exclusion of gastrpod shells ensures the lowest phosphate (less than 1/10 of 1 ppm) and silica (about 1/2 that of other brands) content
Use the chart on the back of this insert to determine the calcium level
API GH & KH Test Kit API test kits Smaller in sizeTests tap water & freshwater aquariums for general hardness (GH) and carbonate hardness (KH). Helps prevent fish stress caused by rapid pH shifts, the result of low levels of KH. ADDITIONAL FEATURES Product Gross Weight: 0. 3000 lb Product Net Weight: 0. 3000 lb Product Height: 5. 13 in Product Length: 2. 75 in Product Width: 1. 63 in INSTRUCTIONS Use Instructions: Directions for Testing KH: 1. Rinse a clean test tube with water to be tested. 2. Fill
US$ 50.42
US$ 33.68
US$ 20.96