On the Safety of Cleaning Products

...cleaning products consist of detergents that lower the surface tension of water and/or acids or bases that dissolve calcium and fatty substances. Some acids act as disinfectants and bases also inhibit the corrosion of metal. Solvents (such as alcohol) also dissolve fatty substances. Other chemicals are added to cleaning products such as water softeners, to help dissolve certain minerals, as well as fragrances and preservatives. Commercial cleanin...

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Timing Sourdough Feeding

...e I’m sleeping the sourdough culture is growing exponentially in the flour/water mixture. I need to make my dough within 8 to 12 hours of that feeding. If I wait too long the sourdough starter will lose its vigor. How do I know the starter is ready to use? I do a float test. If you gently spoon the culture into some water it should float, an indication that it’s active and full of CO2 bubbles. One of the most common mistakes with beginning sourdou...

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Camping on Halloween Night

...and ran to the stream bed. The day before it had been dry, now it ran with water. I knew it was a temporary flow, but the sight of running water after a long dry summer brought tears to my eyes, and I remembered that Halloween is the Celtic New Year. It’s a time of darkness, and a time of death (the traditional time for slaughtering stock), but in death there is renewal, and I felt that renewal in the moist loam beneath my feet and the cheerful dr...

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Artificial Turf: Is It Ever a Good Idea?

...rebate for residents and businesses who remove their lawn in favor of less water hungry plantings. Those dollars add up if you’ve got even a modest sized backyard. But the devil is always in the details. While the LADWP has some very good information on lawn alternatives as well as training classes on water wise landscaping, why did they have to include “non-vegetative groundcover” a.k.a. artificial turf in the rebate program? And why did they lan...

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Induced Demand

...repreneurial program. She asked me an excellent question: did having a greywater system cause me to use more water? She was alluding to a concept known as induced demand. In other words, when you have more of something you use more. Buy a hybrid car and you end up driving more miles since you don’t pay as much for gas. Build a four lane highway instead of a two lane one and so many more people end up driving that you end up with worse gridlock. I’...

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