Medina Soil Activator is a pure chemical product. There is nothing organic in it at all. The ingredients are magnesium chloride ferrous sulphate zinc chloride
All it does is retain moisture in the soil. You can do the same thing by spraying baby shampoo at a rate of 3 ounces per 1,000 square feet. I'm not making the claim that shampoo is organic, but it does work and does not pretend to be organic by claiming 'biological activator.' They do the same thing.
Sorry for the rant on Medina products. Most of them are not organic, and it bothers me when the organic gurus get on the radio and expound upon how great and organic they are. Read the labels. Median is careful to not make specific claims about being organic, but they tout the ability of their products to stimulate the biology. All that is a side effect of using their chemicals. Shampoo has the same effect on the soil and the same resulting side effect on the biology...and shampoo costs a small fraction of the other chemicals. I will concede that the folks at Medina know more about making soil work than 99% of the other experts (especially those at TAMU), but they do most of their miracles with chemicals, not with chicken litter or real fertilizers. [end of rant]
I have had success closing up gaping cracks with a soaker hose. My niece had cracks so big her gate fell over. I reset the poles and turned the soaker hose on at a very slow drip. A week later the poles could stand on their own and the gaps were almost completely closed. Now if you couple this soaker approach with the shampoo, and make sure you are watering a full inch once a week when you water, the soil should remain intact. Just normal watering on grass should keep the soil closed.
_________________ David Hall Moderator Dirt Doctor Lawns Forum
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