Hanna Instruments HI774 Ultra Low Range Phosphate Checker (Saltwater) - Hanna Instruments $49.95 Our HI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a conversion but read directly in parts per million phosphates compared to parts per... Add to Cart
Red Sea MCP Test Kit Marine Master Care - Red Sea $59.99 Easy-to-use tests for the accurate monitoring of all of the important parameters during the biological maturation of marine and reef aquariums NH3/NH4 | NO3 | NO2 | pH | KH Red Sea Marine Care Test Kit is Complete multi-test pack including all of... Add to Cart
Hanna Instruments Hanna HI702 High Range Copper Checker (Saltwater) - Hanna Instruments $49.95 The HI702 Checker®HC (Handheld Colorimeter) is a simple, accurate, and cost effective way to measure copper in your saltwater aquarium. Designed as a more accurate alternative to chemical test kits, the HI702 provides quick, accurate results in a... Add to Cart
Hanna Instruments Hanna HI764 Nitrite Ultra Low Range Checker HC (Saltwater) - Hanna Instruments $49.95 Nitrification is the biological oxidation of ammonia (ammonium ion) into nitrite followed by the oxidation of the nitrites to nitrates. The first step of this 2-step process is carried out in an aquarium by nitrifying bacteria. During this quick process,... Add to Cart
Salifert Nitrite (N02) Test Kit - Salifert $14.99 Features:Nitrite is a substance that is toxic to fish and invertebrates.It is a misconception that once a tank is through its cycle (first 3 or 4 weeks) that nitrite has vanished.Many nitrite test kits suffer from interference by amines (such as... Add to Cart
Fauna Marin NO2 + NO3 Nitrate/Nitrite AquaHome Precision REFILL Kit (Reef Bot) - Fauna Marin $29.95 This is the REFILL Kit, there are no reference materials or case. The Fauna Marin N02 + NO3 Test is very high-resolution and can determine the nitrate/nitrite concentration with a particularly high accuracy in the low concentration range. The... Add to Cart
SaltwaterAq Spot Check Marine Water Test (Single Test) - SaltwaterAquarium.com $24.99 Spot Check - Get marine water testing for the 8 core elements of a saltwater fish tank from the comfort of home. Use this mail in water test to spot check your marine aquarium and/or verify what your seeing on your home test kits. It is time to... Add to Cart
Red Sea Marine Test Kit Nitrite & Nitrate - Red Sea $21.99 This combined test kit provides either 160 nitrite or 100 nitrate plus 60 nitrite advanced colorimetric tests for marine aquariums. This kit is essential during the maturation of all marine and reef aquariums and is suitable for... Add to Cart
Out of Stock ELOS Nitrite (NO2) Test Kit - Elos $21.99 Biological filtration is a method that uses naturally occurring nitrifying bacteria to detoxify nitrogenous wastes. One type of bacteria (Nitrosomonas spp.) converts ammonia to nitrite while another naturally occurring bacteria (Nitrobacter spp.)... Out of stock