>  Also, check to see if it's fish waste that's not getting picked up 
 > or extra food.  Most often, the problem is that overfeeding builds 
 > up on the bottom.
it looks more like food particles but they are so small they cloud the 
water... i usually feed them once a day but recently i got some weekend 
feeder-shells and that cuts it down. i guess it may help too once the pleco 
and catfish grow some.. (right now they are about .5 inches long, but are 
always busy rooting in the gravel, so will probably grow more)
Thanks for the advice :)
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