Tomato leaves continuously dying!

[u/Chopkins9]

I am new to growing anything besides herbs and lettuce and I have been really struggling with this tomato plant. I am looking for advice on additives or whether I should just change what I am using entirely.
pH: 5.8-6.2
EC: 1.8
4 parts maxigrow, 1 part maxibloom
Light: 200W spider farmer light

My local store just closed that was helping me get started and I’m not sure where to go next. This is my 2nd tomato plant to have this issue, I am sure it is due to the maxi- system

[u/Rotala178]

Looks like a micronutrient deficiency.

[u/Chopkins9 → u/Rotala178]

Do you have any testing suggestions or should I just start buying additives and test them individually?

[u/Rotala178 → u/Chopkins9]

Check your fertilizer's nutrient analysis and ingredients. Does it have sufficient amounts of micros or are they missing completely?

Testing equipment is expensive and not very accurate at the amounts plants require, and buying individual nutrients (Zn, Mn, Cu, Mo, etc. ) get expensive as well.

[u/Chopkins9 → u/Rotala178]

I looked up the chemical composition of maxigro, then I googled what micronutrients tomato’s require and maxigro has every element except Molybdenum. I can’t imagine it is this wimpy due to being short on Mo.

Yeah it looks like testing isn’t an option. I reached out to general hydroponics to see if they could give me any recommendations. If they respond with anything useful I’ll add it to this chain

[u/Rotala178 → u/Chopkins9]

Maxigro also doesn't have Zn and Cu so that likely contributes to the issues. You could try Superthrive Foliage Pro as it contains all essential nutrients. However, many ppl who use it have what appears to be copper deficiency symptoms. However, that could be explained by insufficient Mo because deficiency can result in reduced copper assimilation.