Pilipane Digital Salinity Tester for Salt Water, Waterproof IP67 Aquarium Salinity Meter with ATC, 0-200 PPT Multi-Parameter Tester for Seawater, Aquariums, Marine Monitoring API Uneaten food and decaying organic

Uneaten food and decaying organic matter also add ammonia to the water

Use at start-up and whenever adding or replacing water

TDS meter is also a key to switch the test mode

Copper (Cu)

Contains one (1) API pH TEST & ADJUSTER KIT 250-Test Freshwater Aquarium Water pH Test and Adjuster Kit

Pilipane Digital Salinity Tester for Salt Water, Waterproof IP67 Aquarium Salinity Meter with ATC, 0-200 PPT Multi-Parameter Tester for Seawater, Aquariums, Marine Monitoring API Uneaten food and decaying organicBrand: Pilipane Features: ?Salinity Range0~9999ppm 10~200ppt or 0. 0 25%, salinity tester has an automatic temperature compensation function(32F~140F), which can decrease the error caused by the change of liquid temperature. ?Easy Reading with LCD BacklightThere is no need to worry about seeing the displayed value if the light is insufficient. Salinity meter features a green backlit LCD to help you see the measurement results clearly in any situation.