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hi im new to the bubble systems (recirculating) and can not find the answers that i need can anyone help?:wall: the step up: (1) 10 gal res. ice chest (can use something else if need be.) (2) 4in air stones (1) 20 gal air pump (1) 160 gph water pump 1/4in tubing clay pellets rock whool (2) 4...