Aquascape's AquaForce® Pump Maintenance & Troubleshooting Tips
Aquascaping 11 years ago 16,086 views
http://www.aquascapeinc.com - Learn how to properly maintain your AquaForce pump and prolong its life well beyond its warranty. Dave Kelly, The Tech Guy, also shares a few Do It Yourself troubleshooting tips.
I use external pump and use skimmer with filter.