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Filter Questions Filter questions, we have the answers Installing A filter We had a question about installing an external "box type" biological filter, the person wanted to have it buried in the ground near the pond. That is all very well until you realise the pond was slightly raised. That would mean that the top of the filter would be lower than the top of the pond. This would mean that as water always "finds its own level" the pond would empty via the filter until both were at the same height. If you want to hide your filter yes you can bury it but the top of your filter must be at least level with the top of the pond. That said it is now possible to get "pressurised" filters which can be lower that the pond. Filter not as good? Every year (spring) I turn my filter system back on and it doesn't seem to be as good as when i first got it. Any suggestions? I should guess that your filter system has a uv light? when was it last changed? the average life of a uv lamp is 6-9 months. Also when was the filter media last cleaned? (use pond water) The other point of concern is that you switch your filter system on every year, that means you must turn it off every year (end of season?) that is a bad thing to do, since every year you have to wait for your filter to mature again, i suggest that at each season end you raise the pump supplying the filter (a couple of bricks will be fine) and turn the flow down, this way the filter will keep Ticking over, and more importantly every spring you will no longer be dumping a load of dead bodies (bacteria) into your pool 22 07 06 Contractor says I do not need a pond filter I am shortly having some landscaping done by a professional contractor and part of this will include a pond. The measurements of the pond are thus: approx 10’ diameter and 30” deep. The contractor has made provision for a pump to power a rockery waterfall but suggests that I do not need a filter. Please see our pond filtration page here 21 10 07 Don't forget to send in your questions, contact us
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