Fil­ter

Practical Fishkeeping (UK) - - Advice -

ide­ally you’ll need an air-driven sponge or box fil­ter – th­ese are ex­cel­lent for fry. A gen­tle, well-dis­persed flow won’t suck up free-swim­ming fry plus, as a bonus, biofilm will col­lect and cover the sponge, of­fer­ing a great feed­ing sur­face for the fry’s first meals.

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