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Buy a captive-air (bladder) pressure tank (accumulator) and be done with it. If you pressurize water with nitrogen without a bag/bladder/diaphragm, you're going to discover that nitrogen does dissolve in water. This is a very evolved technology where you are stunningly unlikely to invent something better than what already exists, and certain to spend more ...


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The best non-toxic paint would be silicate mineral paint. Zero VOCs. It basically hardens to rock. The downside is that it needs a mineral-based substrate to adhere properly, like plaster, cementboard, skim-coated drywall, etc. There are some that can be painted on top of bare drywall or previously latex-painted surfaces with the use of a primer. Here are ...


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I'm not sure you'll find a product to seal stains without any VOCs, especially if you want an organic paint. The organic solvents in paint must evaporate to leave the coating on walls. The fact that they evaporate at room temperatures, by definition, means they are volatile, hence Volatile Organic Compound (VOC). The least harmful stain blocker my be a ...


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The nicotine/tar will keep seeping through the walls until the there is nothing left to seep out. Or you can put a stain blocking primer up to seal it in. Both Kilz and Zinsser (big box store) and most of the paint stores have low VOC stain blockers. You will need to prep the walls first, clean with TSP, light sand and wipe down. Once you have the ...


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To pressurize water you can simply put a tank on the roof (or build a new water tower) and feed with pumps from storage tanks lower down. This is done in in many high rise buildings in New York were the municipal water pressure is not big enough to reach the higher floors. If the roof is not strong enough to hold a water tank (and you are not allowed to ...


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I have a few questions but rather than ask I can only assume that you live in a home that is open to the elements (as you can not close windows/doors or use screens. if you have standing water under your home, mosquitoes are very good at coming up through the floor through cracks etc. This brings up another list of concerns as well, but screening under the ...


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There are a few approaches to preventing mosquitoes from showing up. Remove/reduce sources of mosquito habitat, like standing water or areas of high moisture. If you are like me and near woods and water you cannot really do anything about this. Encourage mosquito predators bats, dragonflies and purple martins (type of bird). They will work for you and at ...


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Thanks for the info. Got the wantrn lamp 5 days back. Keep it on between 6 and 11pm. It has killed 5 mosquitoes so far. Not great but better than nothing. Besides this what works for me: I like the mosquito bats - well the old 2 AA battery powered ones. The new rechargeable are too damn heavy for prolonged hunting Clapping them out with your hands works, ...


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There are conflicting reports about the health risks involved with burning citronella indoors and I do not encourage it. If you plan to use a candle indoors as a device I strongly suggest using an inclosed candle box. Fire is a guest in your house and sometimes gets hungry. Also, citronella repels mosquitoes, it doesn't kill them. I suppose this would make ...


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Citronella oil, perhaps? It's available in various formats, though the candle version is extremely popular. I bought a few of those candles from a roadside stand on a previous visit to India, and I can vouch that they're effective even against mosquitoes in Minnesota :) I've used them indoors and they appear to be safe. We have a 3yo and I don't think I ...



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