The three troughs with rafts are starting a fishless cycle and the trough with plants has finished startup since June 3rd, 2011.
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The troughs are made of pressure treated wood and dow blue board all painted with a light blue exterior paint. The posts are 4 ft. long landscape timbers, the top rail is 2x6 or 2x4 (tried both), and the sides are 1/2" dow blue board. I used a Dura-skrim liner - http://www.greenacreorganics.biz/index.php/what-we-offer/system-sales/
Above the liner is a non-treated 1" by 2" darker blue painted board that is not pressure treated. This is nailed down by stainless steel siding nails and holds the liner in place.
Hi Dave I would like to know what methotd you used to construct the troughs? Is it wood with a rubber or plastic liner? What are the advantages/disadvantages of using this type of materials ?
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