Aquarium Pharmaceuticals produces a complete line of liquid test kits for testing saltwater and freshwater aquariums. Single and master kits available.
Elos' reputation for applying the latest advances in marine and freshwater sciences into their products has garnered the respect of hobbyists from around the globe. Marine Depot is the only online retailer to carry Elos' full line of test kits.
High-End Water Test Kits that are faster, easier-to-use, and reduce or eliminate the use of hazardous materials.
Red Sea produces individual and multi-use test kits for marine and reef aquaria. Red Sea test kits are easy to use and extremely affordable.
One of the most popular test kits we sell. Excellent, reasonable-priced high-end test kits. Easy to use and accurate.
SeaChem has been producing quality test kits at affordable prices for nearly 30 years. Individual and multi kits are available for testing Ammonia, Calcium, Nitrite, Alkalinity, Magnesium and more.
Tropic Marin Water Test Kits are the result of intensive research and development - directed at the needs of the serious aquarist. Extensive testing has been completed to assure accuracy and reliability.
Pinpoint Aquarium Controllers and Monitors, an affordable and accurate line of portable digital monitoring equipment for pH, mV (ORP), O2 and Salinity.
Hanna Instruments manufactures a high-quality line of handheld testers (pH, TDS, Temperature, ORP), Photometers (one of the most accurate ways to test for phosphates), replacement electrodes and calibration solutions for aquarium testing.
Perfect for aquarium owners and aquaculture. It's the ideal tool to measure the effectiveness of a water filter to ensure the water simulates a natural habitat as closely as possible, whether the water is for salt water or fresh water fish tanks, ponds or reef tanks.