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Old 09-10-2010, 06:54 PM   #1
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Join Date: Jul 2010
Location: N. Ireland
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Adjusting flow on a Fluval 403 Canister Filter?

I am thinking that this filter running full pelt is a little strong for my Tetras (or minnows, see herefor debate lol ), and I am thinking about turning it down a bit.
Now... Crepe advised me to adjust the intake, as opposed to the output...good advice, but a few questions first

Can any harm come to the filter by closing the intake valve halfway or so?

Will the filter still cope with the same bio-load?

Will it do the bacteria any harm to vary the flow, ie: faster in the daytime, slower at night or something like that?
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canister, canister filter, filter, flow, fluval, fluval 403, sting, val

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