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Discussion Starter · #1 ·
I'm in the process of setting up a new tank and have purchased a Hagen AquaClear. The instructions (of course) tell you to replace the foam insert every 2 months and to replace the BioMax bag every 3 months. I know I can keep rinsing and reusing the foam insert until it starts to degrade, but does anybody have experience/suggestions for the BioMax bag? It looks like durable stuff, so I'm inclined to rinse it periodically (in aquarium water) and keep going until it starts to fall apart. If so, any idea how long I can expect it to last?
Thanks!
 

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I have no idea how long the Bio Max will last but I would imagine it would last way longer than 3 months. I have used other ceramic media in filters for years without it degrading so I doubt the media will be the problem, however that media I have used was not enclosed in a bag. I would guess the bag that Hagen puts the media in would degrade quicker then the media itself. While the bag may keep the media together and make removing it easier, I would bet it will also make it more difficult to clean. I don't usually use the Bio Max but prefer to add more sponges for my biological filtration.
 

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Discussion Starter · #3 ·
Thanks for the info Matt. I'd already pondered using a 2nd sponge filter in place of the carbon insert. The bag provided for the BioMax is plastic mesh (like a bag for onions) so it should last a pretty good while. I tied the bag loosely for what I hope will be easier rinsing. I'll play it by ear and if it's a pain I can chuck it and go with the 2nd sponge.
 

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I have been using my aquaclear for more than a year. The bag is still doing fine. I don't think you would ever want to replace those ceramic rings because that's like asking for an ammonia spike.
 

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Discussion Starter · #5 ·
Yeah, they're careful to tell you to replace either the sponge filter OR the BioMax, but never both at the same time. I just plan to rinse them as needed during water changes.
 
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