HI I use it since 15 years regularly and all seems ok
I read also negative comments .. but how can we judge at home as all plants and
soils are different


That's just it; our bonsai are too precious to do controlled experiments, where some plants receive a treatment, and others don't. With Superthrive it's more complicated, because it contains fertilizer as well as hormones and weird stuff. To truly test i
t, one would have to make sure all the plants were receiving the same amount of fertilizer. A friend of mine at Cornell Extension was asked by the "Roots2" people to run tests on the product, and he asked them to supply him with a "blank" of inert ingredi
ents and a breakdown of the fertilizer. They refused, saying they weren't interested in that kind of experiment, so he was not able to do anything. He said he fel;t they were marketing at "Hamptonites" who valued their hedges and could afford the product
without worrying too much whether it worked or not.

As for epsom salts, just don't overdose the plants. I'm going to have to do a controlled experiment on it and how it causes the glaucous bloom on foliage. I see it, but I can't figure out out the mechanism. I haven't read anywhere that magnesium has a
nything to do with cuticle formation.

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