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Discussion Starter #1
Just picked up an Eclipse Hood with Bio-filter Wheel.

I'd like to start the cycle with some seeded sponge filter material from another tank.

The system came with a blue filter cartridge which appears to prefilter the water prior to hitting the bio-wheel.

My question is: can I (should I) use my seeded sponge material in place of the blue prefilter to assist with the cycle?
 

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Just picked up an Eclipse Hood with Bio-filter Wheel.

I'd like to start the cycle with some seeded sponge filter material from another tank.

The system came with a blue filter cartridge which appears to prefilter the water prior to hitting the bio-wheel.

My question is: can I (should I) use my seeded sponge material in place of the blue prefilter to assist with the cycle?
Yes, that's one of the things that don't make any sense about the filter design. The water that spins the biowheel has already been filtered, so there is little, if any (depending on bioload), ammonia left in the water to sustain a good bacteria colony on the wheel.

You should definitely ditch the cartridges for the filter and just use a sponge in the slot there as your main filter media, in my opinion.
 

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Discussion Starter #3
Yes, that's one of the things that don't make any sense about the filter design. The water that spins the biowheel has already been filtered, so there is little, if any (depending on bioload), ammonia left in the water to sustain a good bacteria colony on the wheel.

You should definitely ditch the cartridges for the filter and just use a sponge in the slot there as your main filter media, in my opinion.
I see your point, after the bio-wheel is seeded should I refrain from any type of "pre-filter" and just let the water run directly to the bio-wheel?

Or keep my sponge in place as a pre filter?

That's good news on my ability to seed the wheel with seasoned media, it should work well.
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Well, you wouldn't necessarily be seeding the wheel with the sponge, but the filter as a whole. The filter needs mechanical media of some sort, whether it be the cartridge or a sponge - so it's not a "prefilter". Prefilters are generally sponges that go over the strainer of the intake. We make a distinction between mechanical and biological media, but that's just in purpose. Mechanical media houses beneficial bacteria just the same.
 

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You're welcome. Here's my eclipse - different filter but same principle. What you can do is cut the sponge in half, that way when it's time to clean it, you can leave half undisturbed, which will help prevent minicycles.
 

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Tracy - what you're calling a pre-filter is for mechanical filtration of solid waste detritus and is standard in all filters before (optional) chemical and bio-filtration (in this case the wheel). It's important so that sludge does not foul the bio filter.
I'm not a fan of cartridge type filters, but you should let the cartridge do it's job.

As for seeding, simply rinse and squeeze your other sponge into a container and add this to the filter (or the tank).
 
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