Hi all,
I am planning on building a raised bed for the purpose of growing vegetables however I am a little unsure as to what type of wood would be best to use for the construction.
I have searched the forum and notice several posts suggesting treated timber to protect against rotting. However I was under the impression that most "tanalised timber" or "pressure treated" timber use mixtures of copper, chrome and arsenic in their preservation thereby making them a bad choice for food crops.
To the same end if I use untreated timber and add a preservative to the exterior face there is the potential for leaching and run-off of the chemicals into the crop.
What are most people using?
Thanks
I am planning on building a raised bed for the purpose of growing vegetables however I am a little unsure as to what type of wood would be best to use for the construction.
I have searched the forum and notice several posts suggesting treated timber to protect against rotting. However I was under the impression that most "tanalised timber" or "pressure treated" timber use mixtures of copper, chrome and arsenic in their preservation thereby making them a bad choice for food crops.
To the same end if I use untreated timber and add a preservative to the exterior face there is the potential for leaching and run-off of the chemicals into the crop.
What are most people using?
Thanks