Introduction: DIY Solar Powered Pond Filter With Skimmer
I have a small pond. Professional filter systems are quite expensive. So I decided to build my own solar powered pond filter with skimmer. I kept the build simple with easily available items.
Step 1: Filter
- First cut the PVC pipe. You need one piece the size of the 20 liter bucket's diameter and one piece the height of the bucket.
- Connect the pipes with a 90° PVC elbow fitting. Put on one end a plug and on the other end another 90° elbow fitting. It should now look similar to a Z.
- Drill holes in the PVC pipe with the plug. It will be on the bottom of the basket.
- Put the assembled pipe in the basket and fill the basket with lava rocks.
- You can install an optional aerator before the filter. It will help the bacteria to clean the water. Make sure, you install it in the right direction.
Step 2: Skimmer
- Put the bilge pump into the 5 liter bucket.
- Drill a hole for the pumps outflow.
- Put the pump's outflow pipe through the hole. Put a short piece of PVC pipe on and fix it with tape to the bucket.
- Attach one end of the hose to the PVC pipe and the other end to the filter
- Use the pond plant basket as a filter screen on top of the bucket.
Step 3: Solar Power System
- You can power the pump directly via the 12V solar panels. This makes the build even simpler.
- Or, you can use a simple 3s Li-ion battery back. Use 3 18650 batteries in series, attach a BMS and put it in a watertight box.
- Connect the battery pack to the solar charge controller.
- Use the 12V power output of the controller to power the pump.
- I included a switch to the power output to turn the pump on and off.
Step 4: Finished!
Now you should be finished with your DIY pond filter. Enjoy!