Recently, during the previous years, a few intents to automatize these complex calculations appeared. Vitaran HC’s autor has found only one or two softwares in CD formate and another two or three in Excel sheets. Of course, it is logical to think that there could be some more ways to make these calculations from people having their own method without publishing or commercializing it, but new production of these calculators is scarce at the beginning of the XXI Century. Water available is highly important. Hydroponics formulation have been developed by researchers all over the the whole World. All of them worked using different water qualities, no one the same than the other.

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