This GHE brand manual pH test is for indoor growers who want to get a value at no extra cost. You just need to place a few drops of this product to obtain a color corresponding to a pH value.This product is easy to use and very inexpensive. It can give you a pH value between 4.0 and 8.5
Buffer pH 4 will allow you to check and calibrate your pH tester.This Buffer bottle contains 250 mL of solution, representing approximately 13 calibrations.
This 250 mL VitaLink Essentials CF Standard solution will allow you to accurately test the pH meter.
Discover the Milwaukee MW804 tester is ideal for calculating pH, temperature and EC / TDS conductivity. You will be able to obtain all these measurements with a single device!
Easily test the electroconductivity of your water, the temperature and its pH with the Combo EC / PH tester from BlueLab.Equipped with two probes and without cable or power plug (working with AAA LR03 / LR3 batteries included).There is also no need to calibrate the device which has already been carried out at the factory.Accuracy: 0.1pH / 0.1 EC / 1 ° C