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Photosynthetic photon flux control to precisely schedule the PPF being emitted from fixtures during the light cycle (wattage or percentage)
7 - 700 ppm)
Pre-slit for easy insertion with a pre-drilled hole
Osram/Seoul diodes produce the S4 (Full) Spectrum
Active Aqua Premium Reservoir Cover White 70 Gallon House & Garden Photosynthetic photon flux control to70 GALLON PREMIUM WHITE RESERVOIR COVER 55. 25" x 38. 25" x 1. 25" ACTIVE AQUA PREMIUM RESERVOIR COVER Our premium reservoir covers are slightly convex with a ribbed design for strength. They fit inside the reservoir top to guarantee that any water that may collect on top falls back into the reservoir. They feature a convenient access porthole (porthole cover available separately) and multidrill access points to install various meters and pump cords.
US$ 24.99
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