Value is in the eye of the beholder. I'd not take up tank space so it's worth nothing to me. OK, maybe chisel it up into a few manageable chunks of dry rock - so $1/ pound.
don't put it in your tank. It will algify, produce a crop of green streaming algae, then go brown, after which the ph will start dissolving it. If you want it in a more useful form, just get a bag of aragonite sand---but wash it extremely.
Dead coral used to be all the rage in tank's of the '70's but you had to have them nice and white so bleaching them often was recommended...pretty much discouraged in todays world.
don't put it in your tank. It will algify, produce a crop of green streaming algae, then go brown, after which the ph will start dissolving it. If you want it in a more useful form, just get a bag of aragonite sand---but wash it extremely.
+1 I don't know about the PH etc but a TON of GHA will start growing on it. Years ago they sold this and in diff colors - I have a bunch. Put one large nice branch in my reef in the past and it promptly grew a ton of GHA.
Properly cured I have seen some sweet coral skeletons that have been covered in zoas or encrusting stony corals. My friend had a gigantic coral skeleton as the only rock in his 29 cube and grafted it with ultra zoas. Made for a stunning display.
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