Oxy Pot DWC Mk2 Six PotSingle plant bubblers are one of the hottest growing systems around due to their relative low cost and exceptional plant growing performance. This latest version of the IWS Oxy Pot takes the classic design to another level, replacing the standard round bucket with a sturdy square unit to help provide an even more secure sealing gland connection and to also fill a greater amount of the available growing space. By removing the shackles and letting roots