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Bluelab pH & PPM Complete Starter Kit with Storage & Calibration Solution
The indicator card in the bag reads pink at low oxygen
Composed of anodized aluminum and stainless steel
shoot-root ratios
Humboldt Sea Cal 2-0-0 -- 1 Gallon Tower Fans Bluelab pH & PPM CompleteSea Cal is a highly concentrated growth enhancer and chelated calcium supplement that offers vital macro and micro nutrients in specific ratios during early plant development. Calcium is very important during a plant's vegetative cycle, controlling aspects of cell wall structure and permeability. Calcium is absorbed into a plant through the root tips, but plants are not always able to completely satisfy their need for calcium through their roots. This
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