Hi Jennie,
The sulphur candle fumigates and kills pests and fungal spores on exposed on greenhouse surfaces. See that all doors, ventilating windows etc. are completely closed.
Place the candle on a brick or in a metal container in the middle of the greenhouse and light the wick. the sulphur around the wick should melt and then burn with very pale blue almost invisible flame. Leave the greenhouse completely closed and sealed. After 12 hours open up the house and ventilate to remove fumes.
Be very careful not to breathe the fumes in! |