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this potent formula helps maintain the nutrient solution's pH within the optimal range of 5
Grodan Improved Uni-Slab
000 Efficacy 100 lm/W Rated Life 6
No messy bags
Active Aqua Grow Flow Ebb & Flow System, 12-Site Complete Adjust-A-Wing this potent formula helps maintainActive Aqua's Grow Flow is the most efficient ebb & flow system on the market. The fill and drain cycles are maintained by the controller unit and set with the built in timer. This system can be set up in many different sizes and shapes to fit your exact growing needs. Grow Flow is the only unit on the market with fail safe overflow protection. If the float valve stops operating, the emergency shut off valve will automatically power down the system,
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