Flood And Drain Tray - 120 x 120 x 12cm - Polypropylene Zebra Film the CO2 levels directly outside

the CO2 levels directly outside and inside the stomata can rise threefold which is near the optimum for photosynthesis efficiency

Additionally

AVERT Face Masks also include additional filtration pads with activated carbon cotton for increased breathability while maintaining 95% filtration efficiency

Suitable for cultivation in hydroponics

The PCS spray system is manufactured to the highest standards possible using medical grade ABS plastic

Flood And Drain Tray - 120 x 120 x 12cm - Polypropylene Zebra Film the CO2 levels directly outsideFlood and drain trays are designed for use with hydroponic flood and drain systems. The tray is regularly flooded with hydroponic nutrient enriched water allowing the growing media to soak up the solution, then the excess solution drains out while air is drawn down around the plant roots. Flooding and draining are done with the aid of a pump and a timer.