Troubleshooting
Grisebach's Sword Plant problems — and how to fix them
Grisebach's Sword Plant (Echinodorus grisebachii) is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Yellowing leaves
Indicates iron or nutrient deficiency. Add root tabs and supplement with a liquid iron fertiliser.
Leaf holes or tears
Often caused by goldfish or herbivorous cichlids. Choose tank mates accordingly.
Outgrowing the tank
In good conditions, sword plants grow quickly and may need periodic trimming of older outer leaves.
Algae on older leaves
Remove heavily affected leaves and ensure adequate nutrient levels to encourage faster, healthier new growth.
Prevent grisebach's sword plant problems before they start
Most grisebach's sword plant issues are care-mismatch, not bad luck. Dial in the basics:
Grisebach's Sword Plant problems — FAQ
Why is my grisebach's sword plant yellowing leaves?
Indicates iron or nutrient deficiency. Add root tabs and supplement with a liquid iron fertiliser.
Why is my grisebach's sword plant leaf holes or tears?
Often caused by goldfish or herbivorous cichlids. Choose tank mates accordingly.
Why is my grisebach's sword plant outgrowing the tank?
In good conditions, sword plants grow quickly and may need periodic trimming of older outer leaves.
Why is my grisebach's sword plant algae on older leaves?
Remove heavily affected leaves and ensure adequate nutrient levels to encourage faster, healthier new growth.