My ORA tort always had green polyps; even under a 10k 250w DE HQI ushio in a RO III; What kind of light and positioning caused yours to go blue? I'd think more than light caused it since I couldnt give mine much more light than that
Cali (ORA) tort... over the years.. mine would always go purple with green highlights if my nutrients were too high. I have always kept mine in high light, so I dont have a low light reference.
My Cali tort is a deep blue, almost purple, with huge green polyps. My phosphates are .03 with a hannah meter which is really low. I figure the deepness of the body color has to do with my lighting but the polyps have always been really green.
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