Does Anybody Really Know The Answer

1

1boatnut

AC Members
Oct 3, 2006
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As to how many times you should turn (filter)the water over in 1 hour?
On Dr. Fosters ,under the pumps,it states you should turn the water over 4 times per hour.
When talking to the guy from tech support @ Pro Clear Aquatics,he stated the water should be turned over 5 times an hour.
When talking to tech support @ thatfishplace.com,He stated the water needs to be turned over 10 times an hour:huh:

So if I take all their answers and add them up,then divide bye 3 ,I get 6.33 times an hour.

Anybody know the truth behind this mystery?

I can hardly wait:feedback:
 
I've heard 5 is pretty standard, and 10 would probrably be over-filtration. (Nothing wrong with that)
 
Personally, 4 is a minimum, but in the end, the amount of filtration directly influences the amount of tank maintenance required. To a point, the more you have the less maintenance needed.

10 is a bit over-the-top, but look at the source - A filter manufacture or retail store!

I would say the goal is 4, but 5-6 is probably where most fall into. Some will be higher/lower, but I gather that this would be the norm. breeder's excluded (I have heard of 10-20 times as being the norm)!

Just judging from own tanks (both past and present) I range from 4-6x per hour. And yes, you can really tell the difference.
 
A lot depends on the tank, filter type, etc. with a wet/dry filter, I usually shoot for about 3x per hour. With HOBs, closer to 5x. and with canisters, somewhere between 5-10x depending on stocking levels.
 
Well here is the problem/situation.
I have a 125 gal tank with a wet/dry filter(4 weeks old) that is supposed to have the capacity to take care of a 175 gal. OTT right?

Well day before yesterday the pump takes a dump:flamed:
The pump does 900gph @ zero feet. At 4' it does like 400-450gph.
I'm now checking into buying another pump and really don't know how many gph I should get.
At 10 times an hour I need a pump capable of 1125gph,but that needs to be at 4',which means I really need one for about 1800gph:thud: .
According to Pro Clear the overflow boxes should handle about 400gph times 2..
I should have bought 2 Emperor400's and been done with it,,,and saved about $250.00
 
I am pushing 1250 gph pump on my 75 with bultin overflow. 30 g sump.

I added powerheads to improve circulation in the tank.
 
There are an infinite number of factors which go into optimal flowrate. The type of fish, whether it's planted or not, media types, media volume, the shape of the tank, the placement of the filter(s), substrate, water chemistry, temperature...even specific bio or geo-toping will all have bearing on the optimal flowrate.

There is no real answer.
 
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