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Old 28-04-2017, 04:54 PM   #18
sen_jie
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Join Date: Jun 2003
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Quote:
Originally Posted by thanantosis View Post
Hi more like fgt filter box kind with uv filter. Pump rating abput 2500l per hour. My tank volume about 900l. If pump flow too high, my uv will be useless. Normal koi pond turn over is at least once an hour.
wah that is abit slow. As you need to factor in head loss.
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