Posted 3/19/2024 20:04 (#10671921 - in reply to #10671881) Subject: RE: Water PH tester
Northern Ohio Grain
PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium https://a.co/d/6Sa8c1u
I got one of these for testing spray water. The biologicals I've been playing with have a target pH range. It works good enough for what it cost.
Water PH tester
