General Hydroponics pH Calibration Solutions Control for Hydroponics
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Review Highlights
Recommended by our customersEasy best way to test pH of water
By truther445
I’ve use the strips, and I’ve used other testing devices, but this is the most simplistic and the easiest one. No it doe... see all reviews
Verified Purchasethese drops you can trust..u will get the right reading everytime.
By ch_1203
if you cant afford a high end ph meter I highly recommend ph test drops by general hydroponics they have always worked f... see all reviews
Verified Purchase
