Hydroponics Forums Discussions

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-   -   Germinating plants on a sponge (http://www.hydroponicsonline.com/forums/showthread.php?t=1480)

RenettaHogan 12-30-2009 05:20 PM

Germinating plants on a sponge
 
I'm getting ready to start a hydroponic unit with 6 classes of elementary students. Since funds are tight, is it possible to use sponges soaked in nutrient for the germination phase or is there an even cheaper way? Can I also use 20-20-20 or 20-15-20 fertilizer that contains micronutrients but add a little more epsom salt and calcium nitrate to the mix?

Amigatec 12-30-2009 06:10 PM

Peat pellets work good and they are cheap enough. I don't use any nutes until the plants are up and growing, and then at 1/4 to 1/3 strength.


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