I paid less then 2 bucks for a 16 oz bag of polly fill. I have placed this in both of my sumps, the 16 oz bag was enough to fill each of them up 2 too 3 times each. they last 2 weeks or so before they look nasty, and I through them out.
My water is crystal clear, I thought it was clear before, but dang its super clear now. Granted its not diatom clean I am sure, though I have never seen diatom filtered water. I can filter my tanks 24/7 for about 8 years for the same price as a diatom filter.
I wouldn't recommend this in anything other then a sump, where you can just dump it in to the trash, and drop some more back in.
My water is crystal clear, I thought it was clear before, but dang its super clear now. Granted its not diatom clean I am sure, though I have never seen diatom filtered water. I can filter my tanks 24/7 for about 8 years for the same price as a diatom filter.
I wouldn't recommend this in anything other then a sump, where you can just dump it in to the trash, and drop some more back in.