Soil mixture for autos

Indoor Growing
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First, thank you for allowing me on this forum.
I’ve been growing photos indoors and outdoors for a while, with some decent success.

My first attempt at growing any cannabis was years ago with autos. Under prepared, and working with a lot of bad advice, I failed. Miserably.
Ive decided to give autos another try. Seeds I’m growing for this grow are Gorilla Cookies, Blue Dream, Wedding Cheesecake, Gelato 33, and Citrus Bubblegum.

So I’m looking for some input on soil mixture. For this grow I’m dropping down my smart pot size from 7 to 5 gallons. I normally used use an 80/20 mix of Happy Frog and coco coir, with a couple cups of perlite added.
For this grow I’m considering using the same formula, but only adding some worm castings to it.
I’ve read that autos are sensitive to “hit soil”. Would adding worm castings burn the auto seedlings?

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No need to add anything up front with the FF mediums, their loaded and will feed from 4-6 weeks with PHd water only. I would recommend not mixing coco with soil…2 different PH requirements. I would recommend FF coco Loco as a bag medium. Comes out of the bag around 2000-2500 PPMS, gentle on seedlings and will feed for approximately 4-5 weeks with water only. The PH around 6.3 has worked well for using it :love_you_gesture:

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If you’re looking for a mix of soil and coco, there are a few good choices of premade mixes out there. One is Mother Earth Coco Peat, and another is Roots Organics Original. They’re both soils, but have a good amount of coco in them.

My opinion is it would be better to use one of those as is rather than adding coco to Happy Frog. I’ve had great results growing autos with both of those. I’m not a fan of Fox Farm soils or nutrients

Here’s a link to my current journal. These plants are in Roots Organics Original.

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Just a question. Why not just go straight coco? I went from FF soil to Coast of Maine soil, then to Canna coco bricks. Been a joy growing in coco. I recently goofed, but coco is pretty forgiving IMO. Either way all the others got you squared away. Good luck and here’s to a great harvest.

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