Ensuring proper balance of your Tower Garden nutrient solution is simple with this easy-to-use pH testing kit.
Available in the greenhouse for pick up only. We do not ship testers.
To ship pH kits (2 pH solutions and 1 pH tester) directly from Tower Garden, click here for more info.
For an alternative to the Tower Garden pH tester from General Hydroponics, click here to order from Amazon (not an affiliate link).
Use only testers for hydroponic systems. Do not use spa or pool testers.
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