cool i didn't know that , makes since though since it goes in fish tanks.
jiggsaw Reviewed by jiggsaw on . 9 dollar carbon scrubber. This is the simplest and cheapest way to make a carbon scrubber. You can get everything at walmart. For this to work you need an exhaust fan and some dryer duct , or whatever duct will work. Here's the list and prices. 1. Activated carbon in plastic tub. $5.97 2. Knee high panty hose $.39 cent. 3. duct tape $ 2.00 The tools you need are either a soldering iron, a drill , or a screwdriver to poke holes. 281123 This is the carbon to buy. 281124 First you take off the lid and wrap the knee Rating: 5