My cold water tank is 120l
I have a fluval filter but it also came with a filter, I forget the brand
I always use a gravel cleaner during water changes
We moved the tank and I was shocked how much crap was stirred up.
My snails died but fish and shrimp seem their usual lively selves
I've put both filters in but thought perhaps an under gravel filter would do a better job
I don't understand how they work
When I look to buy they just look like a plastic tray and it's not clear how they pump or filter
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Undergravel filter. Yes or no
4 replies
TheHouseOfIllRepute · 05/07/2017 20:47
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