Have multiple different small colonies as well as mixed LPS. I have noticed that the acros have started to fade. I have been direct feeding them with small amounts of reef roids once a week.
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Those all look fine. Is the tank young... less than a year? If so, then you just probably need to wait. If not, then what about lights?
How long do you go without changing RO carbon filters. Maybe a chlorine issue getting into the tank
You do know chlorine can get threw a tds meter and still register zero
Your parameters are similar to mine but I have my Alk at 7.9-8.2 thoughout the day. Since your nutrients are Low you may want to consider bringing the ALK down to the 8.3-8.5 range over the course of a week. I've had sps pale when i first added them and I thought it was nutrients but it was just too much photoperiod and light intensity. Corals zoozenthelle will pale when they are given too much light and lack of nutrients. If your running GFO remove it. I've had plently loses and I can only pinpoint most of them to me not having enough patients to acclimating the corals to my tank lighting slowly. I used to just say "they'll adjust on their own" but sps can't close up like softies they will be burned alive and once they go its difficult to bring them back. Hope this helps.
Your parameters are similar to mine but I have my Alk at 7.9-8.2 thoughout the day. Since your nutrients are Low you may want to consider bringing the ALK down to the 8.3-8.5 range over the course of a week. I've had sps pale when i first added them and I thought it was nutrients but it was just too much photoperiod and light intensity. Corals zoozenthelle will pale when they are given too much light and lack of nutrients. If your running GFO remove it. I've had plently loses and I can only pinpoint most of them to me not having enough patients to acclimating the corals to my tank lighting slowly. I used to just say "they'll adjust on their own" but sps can't close up like softies they will be burned alive and once they go its difficult to bring them back. Hope this helps.
The GFO has played a huge role in keeping algae at a minimum.
This is pretty spot on. High alk and high light with low nutrients equals pale acros. I agree, lower alk. But do it very slowly over the course of a few days minimum. Drop to around 8.0- 8.4 and should be ok. Color wont come back over night. Feed your fish well. Add more fish if needed. However, no need to feed sps corals. Fish poop does that. IMO, broadcast feeding causes algae. Just be carefull. Dont change to much to quick. Wait for your adjustment to take place. Watch nutrients going in.Your parameters are similar to mine but I have my Alk at 7.9-8.2 thoughout the day. Since your nutrients are Low you may want to consider bringing the ALK down to the 8.3-8.5 range over the course of a week. I've had sps pale when i first added them and I thought it was nutrients but it was just too much photoperiod and light intensity. Corals zoozenthelle will pale when they are given too much light and lack of nutrients. If your running GFO remove it. I've had plently loses and I can only pinpoint most of them to me not having enough patients to acclimating the corals to my tank lighting slowly. I used to just say "they'll adjust on their own" but sps can't close up like softies they will be burned alive and once they go its difficult to bring them back. Hope this helps.
This is pretty spot on. High alk and high light with low nutrients equals pale acros. I agree, lower alk. But do it very slowly over the course of a few days minimum. Drop to around 8.0- 8.4 and should be ok. Color wont come back over night. Feed your fish well. Add more fish if needed. However, no need to feed sps corals. Fish poop does that. IMO, broadcast feeding causes algae. Just be carefull. Dont change to much to quick. Wait for your adjustment to take place. Watch nutrients going in.
This is pretty spot on. High alk and high light with low nutrients equals pale acros. I agree, lower alk. But do it very slowly over the course of a few days minimum. Drop to around 8.0- 8.4 and should be ok. Color wont come back over night. Feed your fish well. Add more fish if needed. However, no need to feed sps corals. Fish poop does that. IMO, broadcast feeding causes algae. Just be carefull. Dont change to much to quick. Wait for your adjustment to take place. Watch nutrients going in.