Phosphate media and SPS

[eaglesrx]

Hello,

I recently added some Rowaphos to my 28g sps tank. A couple of weeks later, 2 of my SPS colonies began developing RTN. All other colonies are still fine. Before using the rowaphos, I used phosban media.

Is the rowaphos (used at manufacturer's directions, i.e. dose and NOT washing first) causing this RTN. I found an old thread that phosphate media can do this.

If the Rowarphos is the culprit, what can I do now? Remove it and only add 1/5 of the dose and do a water change?

Thanks and let me know. I've losing my pokerstar monti and now my setosa!!! Ahhhh!!!

 

[eaglesrx]

bump

 

[r-balljunkie]

you should use half recommended dosage, work your way up to full strength. Are you tumbling media, or do you have a bag?


29 gallons is a small tank. You might have overdone it. Pull it out, and see if the tank resettles.
c

 

[eaglesrx]

<a href=showthread.php?s=&postid=14707399#post14707399 target=_blank>Originally posted</a> by r-balljunkie
you should use half recommended dosage, work your way up to full strength. Are you tumbling media, or do you have a bag?


29 gallons is a small tank. You might have overdone it. Pull it out, and see if the tank resettles.
c

Yeah, this is what I was thinking. I'll pull it out and see. The other thing that I forgot to mention, too is that my colony of pink zoos have remained closed up. Other zoo colonies are fine, though. Odd.

Thanks, I'll give it a try. Any other input?

 

[r-balljunkie]

Are you tumbling media, or do you have a bag?

 

[eaglesrx]

<a href=showthread.php?s=&postid=14707763#post14707763 target=_blank>Originally posted</a> by r-balljunkie
Are you tumbling media, or do you have a bag?

bag. It's in the rear chamber of a JBJ 28g nanocube. I'm also running carbon.

 

[shrimpin]

yeah, sounds like you added to much at once. That stuff doesnt take long to strip the tank of phosphates, therfore the water chemistry changes to fast.

 

[r-balljunkie]

some folks like to put GFO first, then carbon second.

in your case, i dont think it mattered much. i run carbon, and know you have to be careful with it. it works in a matter of minutes/hours, and the corals react swiftly as well./

 

[skriz]

I wiped out almost my entire tank after dosing too much GFO. Once the RTN starts, there's no stopping it. If you only lost 2 colonies, you're lucky.

The only thing I can think of is that the GFO is so good at what it does that it shocks the sps and nukes them.

 

[eaglesrx]

Ahhh, wonderful. Well, I pulled the GFO last night. I also suspected something was off when my alk was a little lower than usual. I thought it was maybe b/c I switched brands of 2-part. Could be both. either way, I've gone back to my bionic 2-part and started dosing 5mL more each day for the last 2 days. I'll try another water change, too.

thanks everyone!

 

[Randy Holmes-Farley]

The alkalinity may be low if calcium carbonate precipitated onto it, but it may also be lower due to increased calcification by corals and abiotic precipitation in the tank, both of what can be consequences of reduced phosphate.

Why are you using the GFO?? Is phosphate elevated?

 

[eaglesrx]

<a href=showthread.php?s=&postid=14709527#post14709527 target=_blank>Originally posted</a> by Randy Holmes-Farley
The alkalinity may be low if calcium carbonate precipitated onto it, but it may also be lower due to increased calcification by corals and abiotic precipitation in the tank, both of what can be consequences of reduced phosphate.

Why are you using the GFO?? Is phosphate elevated?

It was in the past. But, I've recently gotten lazy about measuring my phosphate, even after all of my algae disappeared. I've just left it in since then. It's out now.

How many of you guys continuously run GFO?

 

[map95003]

what is RTN?

 

[Dejavu]

<a href=showthread.php?s=&postid=14712360#post14712360 target=_blank>Originally posted</a> by map95003
what is RTN?

RTN Rapid tissue nucroius