New leaves of seedling are yellow with brown at the bottom (LED light burn?)

[whopee]

Yo guys! @PurpNGold74 @Countryboyjvd1971 @tanlover442 @Redeyedranger @DTOM420 @TxGrowman @TDubWilly

Found some haters inna me yard

Can you assist please:

Fungus gnats / Aphids / Spider mites? | Need help! (indoor / soil)

Hi there guys! Found some creatures today on the pot’ soil surface - small (<1mm) light-yellow (or transparent) dots. They are running on the soil surface, rather fast compared to their size. None of them found on stems or leaves / buds. From what I’ve read they look like?: Fungus gnats Aphids Spider mites What actions made: catched with a toothstick all of them I managed to investigate sprayed a Wood Ash water concentrate on the soil surface removed all the “dead” matter from the soil s…