Atlantic Water Gardens FallsFoam Expandable Foam Sealant Iku Koi Kichi and hook up your pump

and hook up your pump inlet into the bottom fitting

The base plate keeps the diffuser away from rocks

but we recommend instead using the provided rubber elbow when connecting 3/8" tubing

4" Both 653100

000 gallons (assuming 50-75% plant coverage and partial shade)

Atlantic Water Gardens FallsFoam Expandable Foam Sealant Iku Koi Kichi and hook up your pumpAtlantic Water Gardens FallsFoam is an expandable foam sealant used to stabilize stones, fill voids and seal joints during waterfall construction. The 12 ounce DIY FallsFoam is perfect for homeowner projects, while the 29 ounce FallsFoam cartridges and foam guns are indispensable tools for professionals. Fills cavities and voids beneath stones to create a well hidden watertight seal to keep water from leaking Helps prevent smaller stones from shifting