How long have you had them? How much light are they getting, especially the maxima?
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I've had all three for about 2 months. They were receiving a lot of light in the display tank. Now that they're in the sump they're getting significantly less other than a grow light.How long have you had them? How much light are they getting, especially the maxima?
I thought they were growing but maybe not. I ordered two maximas but one died in transit when I reviewed them. Maybe that should have been my first warningHave you seen much growth on them in the 2 months? That maxima doesn't look it's put on much shell in that time. Did they have nice white new growth when you received them? Could be it wasn't that healthy originally. If it's been alive for a couple months though it was probably in decent health when you got it.
I wouldn't leave them in the sump long if they are getting just a grow light.. Would be helpful if you could describe your tank lighting and par levels and where the clams were placed. A lot of light is subjective. Maxima get blasted by tropical sun all day long near the top of the reef.
Which light is that?I would add another light to the sump no matter what. You can use the flood/shop light that @OrionN uses.