HarvestH20 This site has very comprehensive set of Rain Water Harvesting Links "Harvest the Rain" Article on rain water harvesting with lots of information. Rainbarrel Tutorial From the Maryland Environmental Design Program. Another Rainbarrel Tutorial How to build a simple rainbarrel. The Garden Water Saver Different Types of Rain Barrels and Water Systems for the… [Continue Reading]
Chloramine
July 29, 2004 by 2 Comments
Recently, municipalities around the world have begun to use chloramine (a mixture of chlorine and ammonia) to disinfect water. This is done to reduce free chlorine’s ability to combine with organic matter in the water thereby producing potentially harmful trihalomethanes, or THMs. Because chloramine has less disinfecting ability than free chlorine, a higher concentration of… [Continue Reading]
GAC (Granulated Active Carbon)
July 29, 2004 by Leave a Comment
Carbon has long been used to absorb impurities and is perhaps the most powerful absorbent known. Activated carbon is carbon which has a slight electro-positive charge added to it, making it even more attractive to chemicals and impurities. As the water passes over the positively charged carbon surface, the negative ions of the contaminants are… [Continue Reading]
Solar Chill Evaporative Coolers
July 28, 2004 by 4 Comments
Notes from Manufacturer: Recommended for drier climates. Works when humidity < 40% Features: Cut your cooling costs by up to 90% Low wattage cooling: from 20 to 150 watts This is a cooler that can run on 1 or 2 solar panels, or a car battery charger More environmentally friendly – no freon Cabinet is… [Continue Reading]
AquaStar 240FX
July 28, 2004 by Leave a Comment
Notes from Manufacturer: The AquaStar 240FX (Natural Gas or Propane) can supply 2 major hot water outlets at the same time at a rate of up to 5 gallons per minute. Can be vented vertically or horizontally to the outside. High efficiency rating of 83% and an Energy Factor of .84. Purchase from: TanklessWater.Com
Milk (Casein) Paint
July 28, 2004 by Leave a Comment
This is the perfect paint for people who love the dappled, richly textured look of old plaster but find themselves surrounded instead by flat drywall. It is sold as a powder, made according to a recipe that’s been around since the time of the ancient Egyptians. As you need it, you mix it with water… [Continue Reading]
Lime Paint
July 28, 2004 by Leave a Comment
This paint is made from natural ingredients and does not contain acrylics or other plastics. The lime in it is slaked, meaning it cures by reacting with oxygen in the air. Other ingredients include a type of clay, marble dust, a natural glue and water. This paint works on all wall surfaces, from wood to… [Continue Reading]
Wet Lead Acid Batteries
July 28, 2004 by Leave a Comment
Wet Lead Acid batteries are the most common batteries used in energy systems because of their price, local availability, and ease of recycling. A properly maintained lead acid cell will last about ten years. This type of battery will deliver about 1000 full charge-discharge cycles. The drawbacks of Wet Lead Acid Batteries include the following:… [Continue Reading]
Gel Cell Batteries
July 28, 2004 by Leave a Comment
Gel Cell batteries are also lead acid but the electrolyte is in gelatin form instead of liquid. Thus, they need no maintenance — water does not need to be added, and it doesn’t corrode. They can also be stored in any position and since there are no dangerous fumes, they can be placed in any… [Continue Reading]
AGM (Absorbed Glass Mat) Batteries
July 28, 2004 by 1 Comment
AGM is a newer type of sealed battery uses "Absorbed Glass Mats", or AGM between the plates. This is a very fine fiber Boron-Silicate glass mat. These type of batteries have all the advantages of gelled, but can take much more abuse. AGM batteries have several advantages over both gelled and wet (flooded) batteries. Since… [Continue Reading]
Recent Comments: