Mixing different brands of nutes ok?

Hello everyone, I'm on my 1st week of veg and I'm using...

Pure blend pro bloom 30ml
Cal mag + 10ml
liquid karma 10ml

I jus came across a free bottle of Schultz plant food plus 20-30-20, n was wondering if I can mix it in with the current nutes I'm using now?

You are in the first week of veg? You are currently using bloom or flowering nutes. You need to get some nutes with a higher nitrogen content to support the growth of foliage. As that is the goal in veg.
The bottle will be labeled as a grow nutrient as opposed to a bloom nutrient.

i agree with statement above, those are not vegging nutes.

Well I bought a starter pack off eBay for $24. It's bontanicare pure blend pro grow, bloom, liquid karma and cal mag. I agree with you on it being low but would the 20-30-20 food help out?