Hi all, I've started a DIY external canister filter but not sure of the required litre per hour requirements per litre/gallon.
Does anyone know of a formula or table?
I have a 4 foot x 18 x 18 - 65 US gal
(250 ltr, 55 UK gal
I'm currently using a canister rated for up to 300 ltr (80 US, 65 UK) and 660-780 ltr per hour (175-200US, 145-165UK) but would like heavier duty to cope with full stocking capacity and based on aqadvisor advise.
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