ชุด Test kit refill bottle (15 ml) Laswim

 Chemical Dispensers and Test Kits Brand: LASWIM

Water Test Kits

Standard testing kits for general swimming pool maintenance, allowing users to measure basic chemical levels by themselves.
Basic pH & CL Test Kit: Liquid test kit (15 ml) for measuring pH (acidity-alkalinity) and chlorine (CL) levels.
How to use: Collect a water sample in the test tube, add 4 drops each of pH reagent (red) and CL reagent (yellow), then compare the color with the standard scale on the tube.
Refill Bottle: Refill solutions are available separately in 15 ml bottles.