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This is the Easiest Soft Water Test Kit to use to ensure that your Water Softener is working correctly. It Measures Water Hardness Simply and Economically! How To Use: Fill clear bottle half full of water to be tested. Add 1 drop of solution from the dropper bottle. Shake well. Lasting suds indicate soft water
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🇺🇸 Ship from USA · On Agora since 2025
$4.00