Calling all SPS experts! Cracking the case of the missing polyp extension and stalled growth!

biecacka

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surprised no one mentioned more flow. Look at WWC and the amount of the flow they have on their frag tanks. but will be looking for the rebuild

corey
 

Mattrg02

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surprised no one mentioned more flow. Look at WWC and the amount of the flow they have on their frag tanks. but will be looking for the rebuild

corey

I see it get mentioned, but it’s never the problem. I have 100x turnover in my tank and still have zero PE from my acros.
 

biecacka

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Interesting. I just see it get mentioned a lot as you said you do too. I never get PE either but I don't have a 100x turnover either. But I do have dwarf angel fish which could be responsible
 

Mattrg02

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Interesting. I just see it get mentioned a lot as you said you do too. I never get PE either but I don't have a 100x turnover either. But I do have dwarf angel fish which could be responsible

I’ve yet to see anyone come back with good news. Just that their corals just died after some time. Now, removing an angel fish always is the fix.
 

biecacka

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mine have actually grown well.
i love the angel fish and could not imagine even trying to catch them in the tank.

corey
 

Mattrg02

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mine have actually grown well.
i love the angel fish and could not imagine even trying to catch them in the tank.

corey

Your very luck that your angel doesn’t pick on your corals then. I’ve lost count of all of the scenarios involving no PE and an angel of some sort.
 

Reefnjunkie

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Pretty much, nothing I did seemd to bring it back to how it once was.

Pests were ruled out??

I didn't realize it was a revived thread/post, I was going to say to add some ME Polyp extender and sit back while the polyps blow up LOL

My acros (polyps) went insane when I first gave it a try but gradually acclimated to the new nutrients and subsided a bit.

Sorry to read things never turned around- :(
 

Mattrg02

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Pests were ruled out??

I didn't realize it was a revived thread/post, I was going to say to add some ME Polyp extender and sit back while the polyps blow up LOL

My acros (polyps) went insane when I first gave it a try but gradually acclimated to the new nutrients and subsided a bit.

Sorry to read things never turned around- :(

What’s this polyp extender?
 

2Wheelsonly

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It is while having low nutrients.

Keeping nitrates in my tank and dosing trace elements has changed my SPS keeping life for the better! :)

I never ever saw any benefit to keeping my nitrates super low other than worrying about my alk jumping and burning my sps.... never ever again. My fish love me for it because they are going to need jenny craig before you know it!
 

Reefnjunkie

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What’s this polyp extender?
Its a product by "ME Corals" not to down play it, but its "another" amimo acid.

Over the years every amino Ive tried has great results initially but over time the corals(acro's that is since that's all I do)just seem to revert to the same as they were before.... gorgeous :)

Every 1-2 years a new kid moves into the neighborhood and tauts to be the newest greatest elixer so I gotta try it.

Some use the term "snake oil" LOL but if you're lacking some polyp extension give it (ME Corals) a shot, or acro power, or Elos, or Red Sea or, or, or.......

Sorry for the long answer ;)
 

Sabellafella

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Hello Reef2Reef! I have had quite the conundrum lately and I am hoping to possibly find my answer here.

LONG READ, PICTURE HEAVY!

A little about my system:

SrD7sPQ.jpg


Tank: Elos 70, 55 gallon display, roughly 70 gallon total water volume
Flow: Mp40 (reefcrest 60%) and RW-8 (50% random mode) Ehime 1260 return pump
Lighting: two xr15 pros with wide angle lenses running coral labs SPS AB+ schedule at 70%
Filtration: SWC 160 cone skimmer, refugium with chaeto

Tank paramaters
ALK: 9.0 DKH
CALC: 450
MAG: 1360
Temp: 78

Dosing is done automatically VIA BRS dosing pumps through my apex with ESV 2 part. Alk and calc are checked weekly, mag once a month.

Salinity: 1.025 (calibrated refractometer) Never fluctuates via auto top off
Phosphate: 0.02 (Hannah)
Nitrate: not tested

Tank inhabitants
Pair of clownfish
Kole Tang
One spot foxface
Mystery wrasse
Starry Blenny
Misc snails and hermits

Weekly maintenance
10% water change (Red sea coral pro)
Weekly dosing of Acro power

The Problem

The tank has been up for close to a year now an up untill about 3 months ago everything was doing stellar, I was having excellent growth, polyp extension and color on all my SPS, I would get a frag from a friend, dip it, and throw it in my tank and I would start to see growth within a few days. Coraline was a borderline nuisance and I was scraping it off the glass DAILY.

Over the course of the past 3 months things have begun to show some issues, SPS that were previously beyond fuzzy with PE started to recede and lose color. They wouldn't quite die, and would very slowly keep encrusting, but never seemed to bounce back.

For instance:

Red planet, previously a giant fuzzball:
jeraxWA.jpg


No namer Before picture:

J6QftPy.jpg


After:

RQ0jUtZ.jpg


Here are closeup pictures I took of this coral to check for bugs: http://imgur.com/a/fi4M4

Other things losing skin/ no PE:

Pac Man:
eeq0tHv.jpg


Myagi tort, losing skin from base up, no PE:



Mfrc6MJ.jpg


Before:

m2UDbGt.jpg


Pearlberry, no PE lost the main part of it, cut it off to stop STN, base still alive:
TTfhATp.jpg


Purple Stylo: no growth in months, STN on bottom:
8QEXXBa.jpg


In this time frame I also lost a very large colony of bird of paradise, it seemed to begin to lose its polyps and turned into a skeleton slowly over the course of a month. I also lost several other nice reef raft pieces that were given to me from a friend within a week of getting them, when I received them they had crazy PE while even in the container, and had great PE for about a day in my tank before losing all PE and then slowly melting over the course of a week.

All these pieces are scattered across my tank and not located in one spot either.

I still have other acros and SPS in my tank that seem to be doing just fine with fantastic PE and color but I have noticed their growth has slowed to a crawl. Coraline has also come to a standstill, and am noticing it actually receding in some places, as if it's being eaten away by something.

Things that have changed in the tank since this all has started:

Removal of sandbed, I had a VERY shallow sand bed of a heavy grain that I slowly removed over the course of 2 months during water changes.

Switched the radion lenses from narrow to wide angle, I upped my lights output by 10% to compensate for the loss of power, I got an overall better spread with the lights, so I cant imagine it was a huge shock.

If there is any other information I can provide please let me know, my friends in the hobby and local reef club seem to be at a loss so I am hoping the experts here on R2R can possibly shed some light on this mystery!
Have you had any unexpected temp swings in the past?
 

Mattrg02

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Its a product by "ME Corals" not to down play it, but its "another" amimo acid.

Over the years every amino Ive tried has great results initially but over time the corals(acro's that is since that's all I do)just seem to revert to the same as they were before.... gorgeous :)

Every 1-2 years a new kid moves into the neighborhood and tauts to be the newest greatest elixer so I gotta try it.

Some use the term "snake oil" LOL but if you're lacking some polyp extension give it (ME Corals) a shot, or acro power, or Elos, or Red Sea or, or, or.......

Sorry for the long answer ;)

Ahh. Aminos. I’ve been dosing Acropower with zero observed results. I keep dosing because, I have it sitting there.
 

biecacka

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Matt,
I am not saying for sure that the fish doesn't nip at the coral. I'm just saying if they do, hey don't when I'm around :mad:. Either way, I seem to get decent growth and have began to feed more to appease the fish, and in return, I seem to see some polyps showing up. They aren't fully extended, but seem to be more present than previously.

Corey
 

Mattrg02

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Matt,
I am not saying for sure that the fish doesn't nip at the coral. I'm just saying if they do, hey don't when I'm around :mad:. Either way, I seem to get decent growth and have began to feed more to appease the fish, and in return, I seem to see some polyps showing up. They aren't fully extended, but seem to be more present than previously.

Corey

They always wait till you’re not looking :)

Feeding them more might have been the trick. I want a flame angel or a coral beauty so bad, but I also want WD acros and the like. :-(
 

Rakie

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Switched the radion lenses from narrow to wide angle, I upped my lights output by 10% to compensate for the loss of power, I got an overall better spread with the lights, so I cant imagine it was a huge shock.

When corals are happy, 2-3% can be an insane and sudden change. 10% at once? That's crazy. It could be a lot of other stuff, and maybe this was mentioned before in the three pages.. But flags don't come more red than this.

You should be doing no more than 1-2% per week man. And some corals can't handle that 1% at once either.
 

scardall

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I normally don't test for nitrate and phos is at 0.02 with hanna
I use a calibrated refractomotr with calibration fluid before every use.

I have never used triton, might be worth checking out

I would check you Nitrates, because O ppm is not really a good thing. After a time I recently did a dosing process of Nitrate for an experiment. I added Nitrates for a 1ppm/60gallons dose every other day or two. Am now getting polyp extension improvement. exp/ still in progress 5 days so far. Will do a battery of tests this weekend. I'm using sodium nitrate(Reagent Grade) I get it off Amazon. Solution Mix for .8ppm/gallon concentration : 8oz. RODI Water + 2.5g Sodium Nitrate(Mix till crystals are all gone) ( Did the math for 60g single dose (1ppm) 37.5ml) Now remember this 1ml solution/2 gallons water = .8ppm Also 10grams of sodium nitrate will make 1 liter of solution Good luck
 

Mattrg02

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When corals are happy, 2-3% can be an insane and sudden change. 10% at once? That's crazy. It could be a lot of other stuff, and maybe this was mentioned before in the three pages.. But flags don't come more red than this.

You should be doing no more than 1-2% per week man. And some corals can't handle that 1% at once either.

Plenty of people increase lighting by much more than 1-2% per week.

When acclimating new frags by moving them up the rock work, who is able to move them by 1/4in at a time so as to not go up by more than 1-2%?
 

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