cph Well-Known Member Mar 15, 2010 #2 To test and adjust the PH you need a PH tester and PH up and down. The PPM is Parts Per Million. It's how many minerals are in the water. Again they make meters that test it.
To test and adjust the PH you need a PH tester and PH up and down. The PPM is Parts Per Million. It's how many minerals are in the water. Again they make meters that test it.
herbose Well-Known Member Mar 15, 2010 #3 Buy some ph up and ph down, add to water. Add more nutes to raise ppm, add more water to lower ppm.
