No, they needed to be changed every other day because the tanks were stocked with messy fish!
There was no decline in their ability to function. The filters worked the same regardless of whether they were new or not.
There may be some cumulative effect of strong bleaching, but I never saw it.
Jim
There was no decline in their ability to function. The filters worked the same regardless of whether they were new or not.
There may be some cumulative effect of strong bleaching, but I never saw it.
Jim
