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Message: [QUOTE="brokensword, post: 441473, member: 3486"] What you're saying is your filter output then is the input for your falls, right? What I have is two feeds FROM my pump; 1 goes directly to my wfall without any filtering. The second goes directly to my prefilter and then to my bog. Each has a valve. So, I think I'm suggesting rethinking exactly how your setup is. The main reason would be for ease of cleaning the filter, the other would be to set up what I've outlined in that you can then moderate each of the flows to get either more filtering or less noise/flow to your falls. If you'd rather not rethink, then you're pretty much bound to having either less filtering and therefore less noise, or more filtering and more noise. The only way to circumvent this would be to split the OUTPUT from your filter and add a valve to each, then take ONE of these leads and put it in your basin for the falls while the other then extends down/outside your falls and then into your pond proper. If you do this latter, I'd have this one lead be just higher than water level in your pond so you get more agitation. But I'd consider how easy it is to clean your filter with it being at the top of your falls, both from a filtering capacity standpoint and an ease of maintaining it. That's why I have mine split--so I can do both. The general rule of thumb is to turn your water over 1 to 1 and a 1/2 times per hour, so you're probably on the minimum. For that size pond, I'd probably have gone with (2) 1000 lph (or larger; I like redundancy). Adding another pump is another way to go to augment this, and it's also a good idea because then if either pump goes down, you still have one to keep circulation/aeration going until you replace it. Either send more water through your filter (and here's why I'm suggesting you modify your system and create a larger and more accessible filter) or just have the output hover at water level, creating more surface turbulence. And of course, if you've not noticed, GPF tends to like bog filtering for ease and effectiveness. Consider if you could add something like this which would give you another reason for adding the second pump. It would also then give you more control over your feeds to the falls as you could either ignore the wfall filter or still use it. The bog feature would do far more good and be more or less maintenance free. [/QUOTE]

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