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Old August 22, 2015   #21
Gerardo
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Join Date: Feb 2015
Location: San Diego-Tijuana
Posts: 2,594
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Quote:
Originally Posted by Cole_Robbie View Post
Lately I've been into aerated compost tea as a cheap way to improve store-bought pro mix.
You can really push the herd in the right direction with the teas. And indeed, it does allows one to stretch the base ingredients a lot more.

This product has lived up to its billing. It contains vegetable compost, worm castings, kelp, and minerals. So all you have to do is add molasses and voila!
I use a little under 1 cup per 7 gallon batch of tea, so 1 cu ft goes a long way for me.

http://organicsalivegarden.com/produ...dments-7-cbft/

I'm lucky to have access to relatively cheap worm castings, and with every wheelbarrow (deep contractor) of potting mix I add 2 kg of the stuff.

I remember reading a multi-crop study with data suggesting there's a sweet spot for worm castings in the potting mix. It was surprising that the optimal amount was a fairly low percentage by weight. Around 5% or so if I remember correctly, maybe even 10%. I'll dig up the study.

I also add the soluble herd from fungi perfecti when I pot up seedlings. Stuff works.
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