Fritz Liquid Test Kits - Master Test Kit (FR04009) Perfect for starting a new system Includes 4 Essential Test Kits Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Master Test Kit Fritz Aquatics Master Test Kit contains...

Fritz Calcium Test Kit (FR04008) Accurate in both Fresh and Saltwater Easy to Read Instructions Essential to Monitoring Proper Ionic Balance About Fritz Liquid Test Kits - Calcium Calcium (Ca2+) is vital to many biological functions. In saltwater...

Fritz General Hardness Test Kit (FR04007) General hardness (GH) is commonly overlooked in many aquariums, but this parameter plays a very important role in your aquariums overall health. GH is the total mineral content of calcium and magnesium in the...

Fritz Alkalinity Test Kit (FR04006) East to Read Instructions Essential for a Healthy Tank Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Alkalinity Carbonate hardness, or alkalinity (KH), is the measure of both carbonates...

Fritz Phosphate Test Kit (FR04005) East to Read Instructions Essential for a Healthy Tank Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Phosphate Excess nutrients can lead to poor water quality very quickly. If not...

Fritz Copper Test Kit (FR04004) Accurate in both Fresh and Saltwater Essential when Medicating with Copper-based Treatments Measures Free and Total Copper About Fritz Liquid Test Kits - Copper Copper is commonly used in aquariums to treat...

Fritz Nitrate Test Kit (FR04003) Easy to Read Instructions Essential for a Healthy Tank Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Nitrate Nitrate is considered the non-toxic end product of the ammonia cycle. While not...

Fritz Nitrite Test Kit (FR04002) Easy to Read Instructions Essential for New Tank Cycling Works in both Fresh and Saltwater About Fritz Liquid Test Kits - Nitrite Nitrite is produced continually during the ammonia cycle by nitrifying bacteria in...

Fritz Ammonia Test Kit (FR04001) Accurate in both Fresh and Saltwater Must-Have for Every Aquarist Essential During New Tank Setup About Fritz Liquid Test Kits - Ammonia Ammonia is one of the most important parameters to monitor in aquariums...

Fritz Wide Range PH Test Kit (pH 5.0 to 9.0) (FR04000) Convienent Wide Range - 5.0 to 9.0 Works in Fresh and Saltwater Easy to Read Results About Fritz Liquid Test Kits - Wide Range pH Testing the pH of your aquarium water regularly to...