SPS RTNing

[Sagz70]

I posted this in my local club but thought I would get more insight here as well..


I know this is a highly debatable topic.. But I figured I ask and see what other people have experienced or have success stories.

I have a 40 breeder SPS dominated reef. Controlled by Apex and a swc 120 skimmer. I've had Chemipure and Purigen in my tank for the last 3 months and just took them out and they looked horrible! Should I replace these or remove them from the system completely? I do not run any Carbon or GFO at the moment.

I dose as needed and my most recent parameters are:

Nitrates 0
Ammonia 0.25-0.5
Phosphates undetectable
Alk 10.2
Calcium 360 (bringing it up slowly)
Mg 1250 (bringing it up)
Salinity 1.028
Temp: fluctuates between 77-78 sometimes gets to 79

Few weeks ago I lost a Tenuis to RTN
Few days after I saw another one start RTNing so I fragged it
And since then about 2 others
This past weeked another one RTNd


I started with 2 Radion g3s at 35%. I was getting great growth but the coloration was not there so I thought I would switch to ATI T5s.
Colors began to come back slowly but the growth slowed down A LOT, but I rather have nice colors so I didn't go back to Radions.

I do 10g water changes every 2 weeks. Over the weekend I decided to do a 20 gallon water change and Today about 3 more are RTNing and I have been fragging the ones I can but some I lose too fast.

Any body have any ideas or experiences?

I'm pretty bummed because I have quite a few nice pieces and really contemplating on just starting a new tank and dipping everything and transferring over. Tank has been running for 4 months now

 

[Vapour1ze]

Your ammonia is bad. Your Salinity is high. And your mag is low. You need ammonia at 0 all the time. Your mag should be 1350 and get your Salinity to 1.026 I'm not surprised they are rtning. Get parms in check. And you'll be fine!

 

[Vapour1ze]

Also bring alk down to 7/8

 

[christopherjudd]

no expert here but your sg is a little high

 

[Vapour1ze]

Last thing and I'll leave you alone. Starting over won't do anything better. Your tank is so immature that's a big reason too. 4 months is nothing. Sps require very stable water parms and a very established tank. Go slow patience is everything. Good luck to you!

 

[Sagz70]

Yeah, my salinity is a bit on the high side because of my last water change. Workin' on bringing it down slowly.

Thanks for being straight forward vapour! I was forced to break down my older tanks and was finally able to set up a new one and probably got a bit excited and rushed things.

I will do those things slowly over the new few weeks an hopefully I can keep it stable, thanks again!!

 

[Vapour1ze]

Yeah, my salinity is a bit on the high side because of my last water change. Workin' on bringing it down slowly.

Thanks for being straight forward vapour! I was forced to break down my older tanks and was finally able to set up a new one and probably got a bit excited and rushed things.

I will do those things slowly over the new few weeks an hopefully I can keep it stable, thanks again!!

Not a problem. Hope it all works out for you!