Awasome How To Build A Raised Garden Bed On A Budget Ideas. Cca stands for copper and chrome arsenate. You want to ensure that the timber has not been treated with cca as the nasty chemicals used for this can leach into the soil.
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Cca stands for copper and chrome arsenate. Building a raised garden bed does take some effort so if you have the budget for it, here are some other options: By the time the roots reach the cardboard, it will have started to break down and the roots will be able to search deeper beyond that cardboard layer.