Konvio Neer pH Drop for pH Testing and Alkaline Level, for pH Water Testing with pH Color Chart, pH

Good product

Very good and accurate result

Easy to use just drop 6 -8 drops of solution in the water you will get the result. For accuracy I checked this solution in 4 type of water. First I checked in RO water, a tap water, Two different types of aquarium water all the result were different according to water condition. Overall value for money.

reliable easy to use P h testing liquid drops

But more costly for 5 ml. liquid

Good

One bottle is leakage not properly sealed and black colour indicator in manual 🧐

One of the bottles was ruptured and the contains were leaking even before it could be opened. Product is with every penny.