My soil is truly alkaline.... Have no problem with fleas here because there is so much borax in the soil. This is an ancient sea bed. After heavy rains where water pools on top of the ground for a short time then drains away, after the sun has baked the ground one can see a white crust on top of the ground which is alkali. This soon turns to powder and blows away. I add sulphur to the soil and a lot of compost and find the addition of coffee ground to the compost is of great benefit. My compost "cooks" down from raw material to the idea consistency in about 3 months. The worms in my worm composters proliferate at an amazing rate so they also must like the addition of coffee grounds to their mix. When I pot up my plants, I place a handful of worms in each very large pot (18 to 24 inch) and I also make additional holes near the bottoms of these pots all around the pot and sink them partway into the ground. This protects the roots from being cooked when temps are well above 100. I use shredded newspaper as mulch (a heavy duty shredder is worth its weight in gold) with coffee grounds. I find this also keep the neighborhood cats away from the pots. -- Andie Paysinger & the PENDRAGON Basenjis,Teafer,Cheesy,Singer & Player asenji@earthlink.net So. Calif. USA "In the face of adversity, be patient, in the face of a basenji, be prudent, be canny, be on your guard!" http://home.earthlink.net/~asenji/