salts build up in fertilizer

My CalMag looks like that after a few days. I also read online about nutrient bottles to shake them because we dont know how long they have been sitting in the store and it might collect on the bottom.

What you have here looks like that. I would shake it and use it, but just MHO. Im no expert. I have to shake my CalMag pretty much every time before I use it.

 

Shake it man!!!

Its still good as long as its still a liquid.




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The minerals are more dense than water, so therefore they fall. Shake it like hell, and it will work well.
Check out nectar of the gods while you're at it too. You'll have to shake it too, but amazing stuff.

 

If you transplant before flip, I'd suggest more perlite in your mix. But just my opinion.