tcoupemn12
Well-Known Member
i have a 200 dollar combo pen by hanna i was asking what the runoff should read?if you can buy a ph level tester kit there's a couple kind
1 - paper strip tester kit (never used this so I can't help you much on this one)
2 - Drop tester kit (comes with a small vile, drops and a colour chart to tell you what the ph rang is)