Black Waterfall Foam, 20 oz. Koi & Goldfish Pellets if you were going to

if you were going to use 4 each 20 watt lights

It has a 1/2" male pipe thread connection and a recommended airflow of 1

Water enters from either end (or both ends) and spreads out evenly across width of spillway (except 12 inch model enters from back)

Kit does not include 2" flexible PVC pipe

The unique media has a very high surface area and does not clump together like beads

Black Waterfall Foam, 20 oz. Koi & Goldfish Pellets if you were going toUse this black expanding foam to fill in cracks between rocks to prevent water from being lost over the waterfall. This product improves water flow visually and the black color hides the foam in the shadows of the rocks. The patented trigger system allows multiple uses and will dispense foam in any position. It is a fish safe, non toxic formula. Shipping Restrictions: This product can only be shipped via UPS Ground.