Hydroponics Forums Discussions - Moisure (hymidity) of substrat

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Vladimir

04-18-2013 04:10 AM

Moisure (hymidity) of substrat

Dear collegues , i ask you because i can not found right answer.

How calculate moisture of substat ?
For the example - for the green onion (scallion) necessary hymididy of substat 60%

This is mean 60% vater of volume substrat, or 60% vater of mass substrat ?:confused:

Vladimir (not Putin)

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