Nature2 Express Mineral Cartridge Replacement for Pool Sanitizers
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<b>[Product Information]</b><br>
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<li>For above-ground or in-ground pools up to 25,000 gallons</li>
<li>Easy, do-it-yourself installation, everything in one box</li>
<li>Superior water quality with lower chlorine requirements</li>
<li>Controlled Release Technology (CRT) ensures optimal mineral levels</li>
<li>GUARANTEED, Kills bacteria, controls algae, won’t stain</li>
<li>Replacement mineral cartridge for all Express units</li>
<li>Destroys bacteria and controls algae using natural minerals</li>
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