white worms

Hey, I just noticed several white worms floating in the water column. It looks like dust particle at first but then when you look closely it looks like a worm and the squiggle around sometimes. They did not actively swim like a snake but rather let the current take them and sometimes squiggled...

Why is it that only my shrimps tank always infected with various kinds of aquarium bugs like flatworms, nematodes and coepods? Out of the 3 tanks that I have, the shrimp tank has my highest priority in maintenance. I change 30% of water every 2-3 days and vacuum the gravel once a week. I feed...

I'm wanting to get a certain plant but the seller says that he has planaria. I've read on the net that this is very difficult to get rid of. I don't want to introduce a problem into my tanks. Besides the plant is quite expensive I have some Potassium Permanganate Will a Potassium...