Min. $100.00 Purchase1 days from issued date
Delivery take abit too long
Tested it, very close to my PH meter reader
Tried on alkaline water and lemon. It works but the alkaline colour not so obvious.
Gd price, fast delivery......
Litmus Test Paper 80 Strips in 1 booklet for PH Tester (pH 1-14) ( Meter High quality Science project Aquarius Fish tank