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Abgeschickt von Victor Tanneur am 15 April, 2000 um 10:47:35
TGZ-SL is a very good ready for use medium to grow many terrestrial orchids. Adding raw potato to the medium boosts up plant growth even more. Unfortunately Manfred Meyer, the supplier of TGZ, sells it at a very high price. I guess every Orchid grower would be interested in knowing more about the recipe of TGZ in order to save money of course, but also in order to experiment with it! Apart from Malmgren's quite vague information in Svensk Botanisk Tidskrift 83, I have not been able to find anything about the TGZ-formula. Does anybody know more about it or about its inventor? Thank you in advance for your answer.