Lava Rock Filter (3 gallons)
- Acts as filtration media
- Provides more surface area for bacteria
- Helps establish a healthy eco-system
- Sits at the bottom of your pond
- Each filter weighs about 13 lbs.
- Available in a 3 gal. container
Lava Rocks act as another form of filter media. It has a rough textured surface that is great for holding bacteria and a good area for bacteria to colonize.
Our lava rocks come in a 3-gallon container that has holes in them to help filter your water. Place this lava rock filter on the bottom of your pond.