This tester is essential for the reef hobbyist but I would recommend the manufacturer to reinforce the battery connector/holder that holds the battery in place. The first attempt to replace the battery broke it. Luckily I was able to put it back together and get it working.
π Seachem Stability 250ml: The Ultimate Fish Tank Stabilizer for Freshwater and Marine Aquariums
9 Review
FUNSWTM 7 in 1 Aquarium Test Strips: Accurate Water Testing for pH, Nitrite, Nitrate, Chlorine, GH & KH Levels
8 Review
π¦ Comprehensive Water Quality Analysis: ICP 33-Elemental Test Kit - Single Sample Kit
9 Review
π§ͺ Enhanced API Replacement Test Tubes with Caps - Ideal for API Freshwater Master Test Kit - 24 Count Box
8 Review
Mini pump Xiaomi Mijia Electric Pump 1S, plastic, black
55 Review
Efficient 2-In-1 Magnetic Fish Tank Cleaner With Non-Slip Design And Scratch-Free Blades
37 Review
π U-BCOO Aquarium Gravel Cleaner Fish Tank: Manual Siphon for Efficient Filter Gravel Cleaning and Water Change in Tanks
22 Review
Jasonwell Magnetic Aquarium Fish Tank Glass Algae Cleaner - Floating Brush (L Size)
37 Review