[untamed]

Originally Posted by Telford

My tank is an 80 gallon acrylic cylinder. I have a magfloat that i clean most of the acrylic with but the problem is you can't clean too close to the sand otherwise grains of sand will get into the brush and scratch the acrylic.

So my question is.... how should i clean the bottom couple of inches of the tank?

I know exactly what you mean. I use a small, hand held, plastic scraper every few weeks to get that bottom 1". Unfortunately, you are going to find that difficult because of the curvature of the tank.