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GroStar™ GS1 pH Pocket Meter
The GroStar™ GS1 pH meter is specifically designed for hydroponics, making it the perfect tool for professional gardeners and hobbyists alike. Its rugged, durab..
GroStar™ GS2 PenTester for Soil Samples
The GroStar™ GS2 pH Pen Tester is specifically designed for measuring pH levels in soil, making it an essential tool for gardeners, whether professional or hobb..
