---
title: Moulds and films for terrariums | Glass Jar Garden
description: The fuzz, films and diseases a jar can grow, what sets them off and what keeps them down. 10 entries, each with the numbers the simulator uses.
url: https://glassjar.garden/guide/moulds/
---

Guide

# Moulds and films
The fuzz, films and diseases a jar can grow, what sets them off and what keeps them down.

- [Algae / cyanobacteria film on glass](https://glassjar.garden/guide/moulds/algae-cyanobacteria-film/)
- [Blue-green mould Penicillium spp.](https://glassjar.garden/guide/moulds/penicillium-blue-green-mould/)
- [Damping-off / root rot water mould Pythium spp.](https://glassjar.garden/guide/moulds/pythium-damping-off/)
- [Green mould Trichoderma spp.](https://glassjar.garden/guide/moulds/trichoderma-green-mould/)
- [Grey mould Botrytis cinerea](https://glassjar.garden/guide/moulds/botrytis-grey-mould/)
- [Pin mould / bread mould Rhizopus stolonifer, Mucor spp.](https://glassjar.garden/guide/moulds/pin-mould-rhizopus-mucor/)
- [Slime mould Physarum polycephalum, Fuligo septica](https://glassjar.garden/guide/moulds/slime-mould/)
- [Sooty mould](https://glassjar.garden/guide/moulds/sooty-mould/)
- [White fuzzy mycelium (new-wood bloom)](https://glassjar.garden/guide/moulds/white-saprophytic-mycelium/)
- [Yellow houseplant mushroom Leucocoprinus birnbaumii](https://glassjar.garden/guide/moulds/leucocoprinus-birnbaumii/)
