Wally world hyrdoponics. Closet Totes (3-5 gallon) $4.95 a piece x2. 8 ft air tube $1.42 a piece x2. 10" air stones $2.82 a piece x4. T connectors $1.19 for two. Tetra air pump, 30-60 gallon aquarium model (2 air lines) $20.98