http://www.aquariumsupplies.co.za/images/PF-SP1407-010.jpg - This in a 1" variety fit perfectly inside the existing tubing, and increased the current and flow in my tank by at LEAST double. I do not run the output in the center of my tank, and the dual valve setup was creating crosscurrent in my tank. Now I have a beautiful circular current, and the fix cost me $0.98
Just figured Id share my results. Im in love!
Just figured Id share my results. Im in love!