Yep, Iron deficiency can cause darkening. Seachem Iron is a good option if you're not already using it.
Search found 2 matches
- Sun Jun 29, 2025 3:25 am
- Forum: Fresh Water Plants
- Topic: why are my roots turning black?
- Replies: 15
- Views: 24
- Sat Jun 28, 2025 8:53 pm
- Forum: Fresh Water Plants
- Topic: why are my roots turning black?
- Replies: 15
- Views: 24
Re: why are my roots turning black?
Could be a nutrient deficiency or maybe too much light. I had a similar issue with my Java Fern when I cranked up the light too high. What's your lighting setup like?
I agree with lorixa. Also, how often are you doing water changes? Stratum can leach nutrients over time, so regular changes ...