General Hydroponics Hardwater Flora Micro, Gallon
$44.00
If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm calcium, you can mix our original FloraMicro® with FloraMicro® Hardwater to create a perfect Micro blend for your plants.
Hawthorne: HGC718155
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