Hybrid Ultrafiltration + Reverse Osmosis Bottleless Water Cooler Grow Media HP2 is pure phosphorous from
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Description
Hybrid Ultrafiltration + Reverse Osmosis Bottleless Water Cooler Grow Media HP2 is pure phosphorous from HP2 is pure phosphorous from liquid seabird guano Using Growers Choice's proven PAR formula • Total reservoir capacity: 3 • Cooling power: 112W 2