Active Aqua 3/4" Fill/Drain Fittings (Pack Of 10) pH Buffer The polypropylene plastic is a

The polypropylene plastic is a high-quality plastic that is chemically resistant to many aggressive chemicals and minimizes breakage due to accidental bumping or dropping of the electrode

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but also trap heat and block your view of your garden or propagation areas

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Active Aqua 3/4" Fill/Drain Fittings (Pack Of 10) pH Buffer The polypropylene plastic is aSlip Fit Fill & Drain Fittings. This is the fitting that is commonly used to transfer nutrient solution between the flood table and the reservoir in flood & drain hydroponic systems via tubing and a pump. Size: 3 4" Pack Of 10