4 ms·
Most treated lumber sold to consumers is copper based, I think that is generally accepted in the States for organic farming. Is it not where you are?
by peteradio 3y ago
Most treated lumber sold to consumers is copper based, I think that is generally accepted in the States for organic farming. Is it not where you are?
- prawn 3y agoI think treated pine sleepers in Australia are mostly CCA (copper chrome arsenate). For garden beds, lining with plastic is usually advised. The less common (?) alternative is ACQ - alkaline copper quaternary.