Share 'Lettuce growing very slowly; brown spots on leaves'
My system has been fully cycled for six months, but still not getting good growth out of most of my plants. Any suggestions would be welcome.
50 juvenile largemouth bass in 330 gal tote.
12' x 2' x 12" grow bed with hydroton, cycling every 18 minutes.
System is inside greenhouse with grow lights.
Water tests are pretty consistent with pH at 6.5; ammonia at .25 ppm; 0 nitrites and nit…
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