Grow Gadgets pH Tester Pen

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The Grow Gadgets pH tester represents amazing value for money. It's ideal for those on a tight budget or to keep around as a spare. How the Grow Gadgets pH Tester Works Different n utrients are absorbed in different ways at different pH levels. For this reason, it's very important that your nutrient solution is maintained to sit within optimal pH ranges, otherwise you'll encounter deficiencies that will stress your plants and stunt their growth. Use the Budget pH Tester to check pH levels once a day (and whenever you add any feed) and you'll ensure that this is never an issue. Show more