Also known as DWC, SWC, or MWC -
http://www.overgrow.com/growfaq/742
http://www.overgrow.com/growfaq/t149


Make them out of these -
http://www.sterilite.com/Section.html?Section=Storage
One for almost any space or use!


They can be found at Walmart and such stores, along with almost everything else you need -
aquarium air pumps, air hose, air stones, utility knife, duct tape/paint/poster board -

Except net pots which can be found at hydro suppliers -
http://www.bghydro.com/BGH/itemdesc....=CONP5&eq=&Tp=


More varied air pumps/stones can be found at pet suppliers -
http://www.petdiscounters.com/customer/home.php?cat=248


Water PH, TDS, and Temperature are critical -
http://www.overgrow.com/growfaq/73

But cheap PH and TDS meters can be found on e-bay -
http://stores.ebay.com/Sunstone-Herb...2dmetersQQtZkm