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Hold on Mold

terramiaterrariums

Updated: Sep 29, 2023

Generally speaking, mold doesn’t affect healthy plants.

Unless it starts to take over the whole terrarium, then it becomes more of a problem. But a little bit of fuzz is not a serious threat.


Where Does Terrarium Mold Come From?


Mold is a natural phenomenon; it’s everywhere.


All it needs to flourish is a warm, moist environment with plenty of organic matter to feed on, in other words… a terrarium.


Sadly, mold is one of those things that’s hard to eliminate completely because it reproduces via microscopic spores.


Here are some tips to help.


#1 Add some springtails and isopods– These beneficial terrarium insects love eating mold (and not your plants). So, introducing a colony at the first sign of fuzz will do wonders to keep your terrarium healthy and happy.


This really is the best option on the list, as it works as both a solution and a deterrent.


#2 Spray with chamomile tea – Chamomile tea is a mild organic fungicide thanks to its rich sulfur compounds. Personally, I didn’t find this was potent enough to actively combat the existing mold on my driftwood branches, but it did stop it from getting worse.


#3 Air it out – Mold thrives on moisture, so opening up a closed terrarium and increasing airflow will reduce both the humidity and total water level in the container.


#4 Remove and quarantine – If the mold outbreak is localized to certain plants or hardscape elements, you can remove the affected objects and quarantine them elsewhere.


#5 Dab with hydrogen peroxide – Thanks to its fizzing action, hydrogen peroxide is an effective way to kill mold on porous materials. The 3% solution is sold in supermarkets and recommended across the web. Simply dip a Q-tip in the solution and go to work.




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