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Old 21-09-2015, 10:52 AM   #56
DragonFireSG
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Join Date: Jul 2015
Posts: 312
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1. Improperly sized bottom drains in bad locations
Flow through each was slow. Sludge collected in the lines and had to be purged very often.
The positioning of the BDs did not adequately allow the sweeping of debris on the pond bottom.

2. No Tangential returns to aid in water circulation
Lots of stagnant spots in the pond that collect waste

3. Right angled corners
Right angles result in stagnant spots at the pond corners

4. Very undersized, jerry rigged surface skimmer
Never worked properly

5. Improperly installed drains in the filter chambers
Not possible to properly purge the chambers if waste without disturbing the bio media. This was a major flaw that severely affected water quality
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