30 Gal B&W PE Grow Bag (10-pack) flowering The tray's design also allows

The tray's design also allows for proper air circulation between the wicking mat and the tray bottom providing good air movement and helping to keep the root zone healthy and happy

This portable meter measures dissolved oxygen with a Polarographic probe and is suitable for a wide range of applications

5mm Female Barrel Connector

humidity and CO2 and VPD levels without the need to actually control any devices

From brand to brand they have nothing unique or different to offer

30 Gal B&W PE Grow Bag (10-pack) flowering The tray's design also allowsA great alternative to expensive pots, these plant safe 5. 5mil polyethylene bags have a white exterior to reflect light and a black interior to prevent algae growth and have pre made holes in the bottom for drainage.