Is this a Zinc issue?

[Acttobegood]

Hello,

I am fairly new to cannabis growing, I am unsure if this is a a result of a zinc issue?

Please advise.

Thank you for your assistance.

 

[nizmoKush]

Please copy this and fill in the blank. And you'll definitely get better results.
Problem:

Medium/grow method:

Feed: and supplements used:

water source:

Strain/age:

light used:

Climate:

Additional info:

 

[Acttobegood]

Please copy this and fill in the blank. And you'll definitely get better results.
Problem:
Not certain. The leaves are a little mutilated. I believe this is because I gave her plain water without PH balance.
Medium/grow method:
Promix with Perlite 50/50
Feed: and supplements used:
Remo's nutrients.
water source:
Countertop Reverse osmosis
Strain/age:
Deadlights, 4 weeks into flower
light used:
Mars Hydro TS1000
Climate:
Circulated and RH is optimum (40-50%)
Additional info: