robert2191
Member
- Joined
- 21 Oct 2014
- Messages
- 75
Physical damage is usually a sign of CO2 deficiency or something having a nibble. My plecs and clown loaches used to make holes in my broad leaved plants.
I believe holes can be a sign of potassium deficiency.
But EI dosing based on KH₂PO₄ and KNO₃ shouldn't allow that.