I use a pool Chlorine and PH tester, it only tests the water but thats really all you need. Im not sure how much it would cost you American, but over here its fairly cheap.
SittinStoney420 Reviewed by SittinStoney420 on . Any suggestions on pH meters? Am looking for some for soil and water. Don't want to spend the most but can spend enough to get some accurate ones. Any suggestions? THANKS!! Rating: 5