Which deficiency(ies) please?
I have a 50 gallon aquarium
5 T5 bulbs with two on for 10 hours and all five for a couple
two bubbles a sec CO2
weekly 50% water change then 3/4 tsp Ultimate GH Booster (GLA)
MWF 1/2 tsp KNO3, 1/8 tsp KH2PO4, 1/8 K2SO4
TTh 1/8 tsp Plantex CSM+B (GLA)
Pfertz root tabs
Daily 1 tsp Seachem Excel
First pic holes in Anubias Nana (they are really only getting nutrients from water column as they are attached to driftwood).
Note the degraded edges of cryptocoryne spiralis in second pic.
Also any ID on the rust green colored leaves in second pic (also lots of holes here)?
Lots of other fast growing plants, not necessarily shown, growing just fine: alternanthera reineckii, hydrocotyle tripartita mini, hydrocotyle verticillata, ludwigia-arcuata, riccia fluitans, rotala-rotundifolia-ceylon for example.
OR see below