API GH & KH TEST KIT RS electrical heater CO2 : Medium A medium

CO2 : Medium A medium need in CO2 is 6-14 mg/L

Its vibrant colors provide an eye-catching look

* INTELLIGENT AND PRECISE CONSTANT TEMPERATURE: Upgrade the chip

During maintenance

API GH & KH TEST KIT RS electrical heater CO2 : Medium A mediumWhen Keeping Freshwater Fish And Plants, The General Hardness Gh And Carbonate Hardness Kh Of Aquarium Water Should Match Their Natural Habitat. The Api Gh & Kh Test Kit Helps You Duplicate The Natural Habitat Of Your Fish To Prevent Stress, Keeping Them Healthy Contains 2 Test Bottles, Easy To Ready Instructions, And Glass Test Tubes Carbonate Hardness, Also Known As Alkalinity, Is The Measure Of Carbonate And Bicarbonate Concentrations Dissolved In