graemevw Posted January 21, 2017 Share Posted January 21, 2017 I got my first corals today, a hammer and some zoa. O acclimatised them slowly, dipped them, then put them on the sand. I know I should raise them slowly so they get used to the light but can anyone give me some more details? How will I know if the light is too strong/weak and how slowly should I raise them up? Thanks. Link to comment
Clown79 Posted January 21, 2017 Share Posted January 21, 2017 I'd give them a few days on the sandbed. Then move them a bit up. Zoas are pretty hardy and each type varies in what lighting they like. When theres too much light they often stay closed or melt away. This isn't often seen immediately but over a duration of time. Hammers like moderate light. Too luch light makes them pale looking and to much flow will close them up. Link to comment
graemevw Posted January 21, 2017 Author Share Posted January 21, 2017 Ok. im guessing, short term, too little light isnt a problem. So should I move them up like am inch or so a day? A couple of inches once a week? If I go too far will they stop opening as much? I dont even know how to judge how bright my tank is. Its 15"x15" and 17" deep. I have a fill spectrum 4 channel chinese led with 24 3w cree led. Currently its set to slowly ramp up and down with 4 hours mid day where they are set at 50% blue and 30% white. Light is 6" above the water. My guess is eventually the light will get turned up. The zoa are yodas and utter chaos. They were very high up in the shops tank lit by radions. Sorry for the spelling mistakes, my phones keyboard is tiny and I missed some of the editing. Link to comment
Clown79 Posted January 21, 2017 Share Posted January 21, 2017 Its hard to say I usually leave mine on the substrate for a few days then place them where i want. It also depends on the lighting they cane from to my lighting.. Link to comment
graemevw Posted January 21, 2017 Author Share Posted January 21, 2017 Ok, thanks. Its entirely possible im over thinking this whole thing too Just beginner nervousness! Link to comment
Clown79 Posted January 22, 2017 Share Posted January 22, 2017 We all have are nervous moments, beginners, intermediate, etc. Corals can be pretty resilient. I've had them survive a cycle. Longterm exposure to too much light often keeps them closed up, bleaches them or burns them. Too little light, they won't colour up nicely and often go brownish in colour. Link to comment
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