Originally Posted by
drainbamage
fluidized beds are great ammonia/nitrite filters, but they provide highly aerobic conditions, which are toxic for the bacteria that devours nitrate's and converts to nitrogen.
So yes, a fluidized filter is nice, but not a complete filter for what you're looking to do. I'd highly recommend using one as they help when those big suckers get fed, but they won't replace the water changes you'll need to be doing, especially with 'Terrors in a 40.
Agreed.
Originally Posted by
drainbamage
Turning the sump into a plant filter might help you out, but doubtful you'll have sufficient plant growth to consume all the 'trates you'll be generating.
Interestingly enough, he might just be able to cut it with the right plants. Think Anacharis and Java Moss. Mostly Anacharis of course.
You could also attempt to build a refugium into the sump. This would include a planted freshwater DSB. You would need blackworms and many other creatures in there. However, the same principles would apply. If you have the time and some extra cash, I would LOVE to see what you can accomplish with this idea.
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