Hydrodynamics HDIONGRHW2.5GAL Ionic Grow Hard Water (2 Pack), 2.5 gallon
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<b>[Product Information]</b><br>
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<li>A careful blend of mineral salts provides a more acidic nutrient to neutralize hard water issues</li>
<li>Minimizes common problems associated with growing in hard water areas</li>
<li>Derived from 100% pure elemental mineral salts and has a highly stable pH level</li>
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