Ice And Yes Water

With an ice bong, usually the ice sits in the chamber ABOVE the water, so it cools the smoke that has already passed through the water. As far as filtering, Wikipedia says having water in your bong is good for you. source

Solid ice is as clear as glass, it is tiny bubbles of air trapped in the ice that give it it's white colour. Water vapour is also perfectly clear, it's only when it condenses due contact with cold air that the vapour turns into mist which appears white. source

Most of the roofing membranes are not alkali resistant, and thus abit cheaper too. Go with a membrane that is made for what it is intended to do. source

The amount of fresh water flowing into the Atlantic as a result of the Greenland ice sheet melting pales in comparison to the amount of fresh water that flowed into the Atlantic when Lake Agassiz burst its banks. I've pointed this out numerous times but nobody seems to want a little thing like "facts" to interfere with their hopes and dreams of calamity occurring before our very eyes. source

Just another denialist looking for a life raft in the rising waters of acceptance in the population for the evidence of global climate change. It is arguable that the success of business propaganda in persuading us, for so long that we are free from propaganda is one of the most significant propaganda achievements of the twentieth century. source