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I’ve got a dozen 3 week old plants in my second gardening attempt. The first one gave me some good product except that they got pollinated so I must not have culled out the males soon enough. So this time around I thought I would top each plant to get more branches and then clone the tops and...

Coal dust Flammable? Actually the proper term would be explosive. Empty coal stores have been the source of many disasters, it’s even now suspected of being the cause of the explosion that sunk the USS Maine in Havana Harbor. That did however provide us with a convenient excuse to declare...

.... or you can put pine-sol in a bucket and scrub out your toilet but either one has got fuck-all to do with the subject at hand.

Yes, I’m aware of how activated carbon functions. I’m also aware that cat litter has odor absorbing properties and is in fact superior to carbon for some odors such as ammonia. I have used it to effectively trap the gasses from a flask of boiling hydriodic acid and ephedrine. By...

I just finished building a 22” long filter cartridge. The inside tube is four inched and the outside is a little less than eight leaving about 1 3/4 inch space between them for the carbon. The tubes consist of a double layer of hardware cloth (1/4 inch square mesh) with aluminum window screen...