I wouldnt even wast money buying a pump I would use bubbles from a air pump , no pump ,no timmer, just rubber maid tote , air pump, air rock,2 net pots, and somthing like above to put in the pots. throw the air rock in your soloution in the tote, put the lid on with the holes cut out for 2 net pots to sit in fill with some sorta grow medium and ....grow away