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Old 18-08-2014, 06:41 PM   #19
jyee
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Join Date: Sep 2013
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I am using Design B.

The reason i choosing Design B as my sump is because i want to make the water fall evenly and collect waste at the bottom of first compartment. And then open an hole at the bottom of 1st compartment, drainoff once or twice a week.

But thing will never as what i plan, my overflow piping was 2" dia. it make the water force was so strong, then cause mine 1st compartment can't collect waste.

For Design A,

I think it also can make the water spread evenly, just need to do some modification at the overflow piping.

Instead of 1 outlet, make it into 4 or even 6 outlet. So it can will let the water flow evenly over the entire dry filter wool. I make this for my FGT filter.
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