This hammer looked great for a couple weeks and is slowly closing up more and more. It seems to come out a little the first few hours of light then looks like this the rest of the day
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Well your numbers seem ok as long as you have a little phosphate so that leaves lights or flow or possibly trace elements as the source of the hammers retraction. Have you got par numbers for your tank? What kind of wave pumps do you use for flow? Hammers just need low flow and maybe 100 par at most.I have not done an ICP but I do feed occasionally and add amino acids every other day or so.
You can always RX dip it also in case there is a pest.I just turned the lights down a few % and moved it to a lower flow area hopefully it will improve.
Why are they considered hard compared to branching? I have both and both are doing well.Wall hammer are hard. How matured is your tank??
For one....when they go bad, you can't just cut off a head. The whole thing starts to go downhill. They are more sensitive and more prone to brown jelly. I have both kinds too and my wall hammer been through a lot...but it takes time for them to get acclimated to our systemWhy are they considered hard compared to branching? I have both and both are doing well.
Yes I'm aware that you can't cut off diseased heads buy not really sure why they would be more susceptible to problems? My walls seem to be growing better then my branching hammers.For one....when they go bad, you can't just cut off a head. The whole thing starts to go downhill. They are more sensitive and more prone to brown jelly. I have both kinds too and my wall hammer been through a lot...but it takes time for them to get acclimated to our system
Do not dip - at least yet- This is recession and not disease. Recession comes from stress :
too high of flow
Too much or too little light
Calcium below 380
Get coral off sand and elevate to at least 3" off botttom
Take UV to 60%
My flow varies 24/7 and is not low specifically in the morning.I would guess flow if it try’s opening in the morning when your flow is low and closes later than I would move to a low area
It could be too much light then. How long is your light on?My flow varies 24/7 and is not low specifically in the morning.

