Natural Chemistry 07400 Stain Free Pool Stain Remover， 1-3/4 Pounds
<div style="text-align: left;"><strong>[Product Information]</strong><br>
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<li>Use with Natural Chemistry's Metal-Free for the ultimate stain-fighting combination</li>
<li>Citric acid product ideal for treating stains to vinyl liner and fiberglass pool surfaces</li>
<li>Recommended Dosage is 1 pound per 10，000 gallons; does not create any residual phosphates in your pool water</li>
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