Spider Farmer Carbon Filter - 100mm (4 Inch) 15_ebay The pH of the nutrient

The pH of the nutrient solution should also be 5

Australian activated charcoal: Granular 1200+ grade carbon gives strong adsorption and carbon porosity

40 A @ 277V    Controller    Digital Dimming Timer    Power Connector Type    Australian Power Plug     Operating Humidity    35 to 85% RH    Operating Temperature    32 to 140°F    Life Expectancy    50

To prevent oxygen depletion remove heavy algae growths mechanically before treatment and aerate the water after use

5 & 2×4 tents

Spider Farmer Carbon Filter - 100mm (4 Inch) 15_ebay The pH of the nutrientThe Spider Farmer 100mm (4 inch) carbon filter scrubs odours out of the air leaving your grow space, so a small tent or grow room stays discreet. It packs granular Australian activated charcoal into a four stage filter body and pairs with a matching 100mm inline fan and ducting. A washable pre filter sleeve is included. Why growers choose this filter Australian activated charcoal: Granular 1200+ grade carbon gives strong adsorption and carbon