Hi GEE, thanks, I'm going to do a slurry test on the rest of my mixed up soil to see its PH. I have a home soil test kit. Do you think that will help diagnosing this one? I haven't used it. I'm thinking you're right. The more mag I put into the soil the worse it gets. I have about 50 gallons all mixed up I'd like to fix before the next grow if I can. If calcium can do it I'll be a happy man! Today's out but tomorrow I'm thinking I'd like to move on testing.
If you can balance your calcium in that soil to the over abundant magnesium, the cal and mag, when in ratio, will sit there harmlessly until needed, not causing any electrical issues because they have each other to hang out with and not cause trouble.
Then when they are needed they work well because the charges are already set correctly. If you think that 50 gallons has 5 cups too much mag in it then add 17.5 cups calcium and let it cook.
3.5:1 is a great ballpark to be in.
Don't use dolomite for this tho, it has more mag in it. Use oyster shells or something like that, and wait a couple to 3 months, but mix it weekly.
Keep it at the exact moisture it would be in if you were cloning. If you can squeeze it really hard and only get 2 or 3 drops of water, thats perfect. Let it cook and let the charge disipate throughout.
Its a great time to add more carbon too if you need to do that. You may also need to add some blood meal and alfalfa for the nitrogen to get the process rolling. Not too much nitro tho, just enough to get it composting.
Mix a little more in every couple weeks, not all at once. Then none for at least 2 weeks (I wait 4 minimum but "They" say 2 is fine. "They" will sell you CalMag too so....) before using so its not still composting in your pots.
While all that is cooking, phosphorus is becoming more available, but it won't move in the soil, it sits tight, so mix it alot to get phos even throughout the mix.
All that extra soil that evolves is why I built a 2200 gallon pot in my back yard. I had too many tubs of it in my garage.
Out there it only gets compost and leaves.
Veggies and strawberries are my cover crops. Lots of lettuces, spinaches, and kales.
It grows monster weed trees.