Advice please

[RELLIK-REEF]

Hi everyone, we have a 180 mixed reef.
Recently we lost two torch corals and now my plate is looking as to not make it too [emoji17]
Duncan’s, candy canes, Xenia, mushrooms, zoas, acans, toadstools, hammers, GSP, Anemones, birds nests and probably many that I’m forgetting are all doing great as usual no change.
80 degrees
1.026
PH 8.0
Ammonia 0
Nitrate 0
Nitrite 0
ALK 7
Ca 520
Mg 1395

 

[Ocelaris]

Not enough nutrients? What's your alkalinity? Also 80 is higher than I prefer, especially with low nutrients.

 

[RELLIK-REEF]

Not enough nutrients? What's your alkalinity? Also 80 is higher than I prefer, especially with low nutrients.

I’ve always kept it at 79 - 80
My alk is at 7dkh usually it’s between 8-9dkh
But that’s not enough drop to be deadly is it?
We have held these parameters in this tank for almost 4 years and have never had a problem until now.

 

[reef lover]

Alk is pretty low for calcium so high needs to be balanced...

 

[RELLIK-REEF]

Alk is pretty low for calcium so high needs to be balanced...

I know, my calcium is usually right around 400
I’ve done multiple water changes it came down some but I’m going to do another one tomorrow and check again.

 

[RELLIK-REEF]

I know, my calcium is usually right around 400
I’ve done multiple water changes it came down some but I’m going to do another one tomorrow and check again.

Thanks for any advice.

 

[reef lover]

WC might not help get the calcium down...check a freshly mixed batch and see how high it is...but it should raise your alk...my worry would be what caused them to get so outta whack...do u dose at all???

 

[RELLIK-REEF]

WC might not help get the calcium down...check a freshly mixed batch and see how high it is...but it should raise your alk...my worry would be what caused them to get so outta whack...do u dose at all???

No dosing never have been looking more into it tho. I’ve always seemed to be good with my steady routine water changes.

 

[RELLIK-REEF]

No dosing never have been looking more into it tho. I’ve always seemed to be good with my steady routine water changes.

So thanks for all the info and I’m pretty sure I found the cause. My ATO was mistakenly filled with new saltwater instead of my ro/di water salinity spike was bad i think, 1.029 also why calcium was climbing I believe. Luckily no other coral has seemed to be affected. Calming down now [emoji51]

 

[Ranjib]

So thanks for all the info and I’m pretty sure I found the cause. My ATO was mistakenly filled with new saltwater instead of my ro/di water salinity spike was bad i think, 1.029 also why calcium was climbing I believe. Luckily no other coral has seemed to be affected. Calming down now [emoji51]

Thank you for reporting back the possible cause. This helps us to remember and learn that when salinity swings , plate and torch were the first to get impacted. We don’t know for sure, but this is a very good data

 

[RELLIK-REEF]

Thank you for reporting back the possible cause. This helps us to remember and learn that when salinity swings , plate and torch were the first to get impacted. We don’t know for sure, but this is a very good data

No problem I will keep an update going.
As to any other effects and how things respond now. [emoji106]

 

[RELLIK-REEF]

No problem I will keep an update going.
As to any other effects and how things respond now. [emoji106]

Also plate is looking way better already.

 

[reef lover]

Glad u found the cause...

 

[RELLIK-REEF]

Glad u found the cause...

Thank you
Me too

 

[RELLIK-REEF]

Thank you
Me too

Started a build thread and would appreciate any input or info. Thanks in advance, happy reefing.