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Old 07-27-2005, 03:20 PM   #1
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can't get coralline algae to grow/flourish

Well, I've read everything on coralline here that I can find, and I'm still stumped as to why mine isn't spreading faster. I have even been using Purple Up for the last three weeks or so, and it hasn't helped. I know you're gonna ask, so I'll tell you that I check my calcium weekly and I keep it at 420ppm.

My water flow is excellent, too.

Any thoughts?

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Old 07-27-2005, 03:27 PM   #2
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I can do no more than commiserate with you. I have 6 tanks and cannot get coraline to grow in any of them. My calcium and alk levels are at more than acceptable ranges ...I have excellent flow in the majority of the tanks, I have even seeded with coraline encrusted chunks. No banana. I think it is my water in some way, but do not know what.

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Old 07-27-2005, 03:49 PM   #3
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Well, I guess misery loves company! I'm glad I'm not the only one. I ordered some colony polyps from LiveAquaria and got them in last week.....the piece of rock they came on was so bright purple I could hardly look directly at it! It looks so out of place in my tank, cuz my other rocks have small pink/purple patches here and there (faded ones).
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Old 07-27-2005, 04:50 PM   #4
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How much of your lighting is actinic? My tank is finally starting to propagate the purple.. finally -- I've got 220w + 65w of actinic. Supposedly it helps.

I've not used any additives, however.

The 150g we have has purple *everywhere*.... it took about 3-4 months for it to cover everything.

My issue is probably from having to remove some of the rocks when I had my 75g to get rid of my damsels -- and when I moved rocks from my 75g to the 110g.

I guess give it time...................
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Old 07-27-2005, 04:57 PM   #5
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I've got 260 Watts total, and half of that (130) is actinic. My tank is going on six months now, and very little coralline gains.
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Old 07-27-2005, 04:58 PM   #6
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well i have that neon green coralline growing and its covering my glass, how long will it take to turn purple?
30 gallon SW tank;EHEIM ECCO 2235 Canister Filter w/Miracle-Working Chemi-Pure
TetraTec UV1 UV Sterilizer;Rio 50 Powerhead ;130w PC lighting;33 Lbs. of Tonga Branch LR;Nature's Ocean Live Sand (the bagged stuff)
Livestock:2-Ocellaris Clownfish;9-Scarlet Reef Hermit Crabs;1-Regal Tang;Zoanthids, Pineapple Brain coral, Sebae Anemone, Colt Coral, Galaxea
Tank Specs as of December 29, 2005:Ammonia:0;Nitrite: 0;Nitrate=0;Cu:0
PH: 8.3
SG: 1.028;Temp: 79-84 degrees F (Adjusts throughout the day)
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Old 07-27-2005, 05:59 PM   #7
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I've had my tank going for over a year, and all I can grow is the neon green coraline. It's spreading everywhere...But the purple just wont! I have my alk and calcium levels in check, plus I heard that plenty of waterchanges will help...but I still can't get it to spread.

I read about coraline all the time and I can't figure out how to get the purple to spread like crazy. I'm in the same boat w/you guys.
- Mike
125 gal. reef w sump/refugium & 8-bulb 640w T5's
45 gal fresh w/plants + CPF lighting
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Old 07-27-2005, 06:38 PM   #8
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aparently nobody has a clue why. I had the same problem with my FOWLR. It was set-up for about a 10-12 months an i didn't get squat for coraline growth. Not that i was expecting too but it would have been nice. I'm pretty much come to the conclusion that i really have no idea what i'm doing therefore the reason the coraline didn't grow.
75g reef
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Old 07-27-2005, 07:46 PM   #9
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It takes coraline to make coraline. Hopefully, the addition of the new encrusted rock will help boost your growth. I beleive you an get coraline scrapings at www.garf.org
Some people are like slinkies...they serve no real purpose yet can still bring a smile to your face when you push them down the stairs!:p
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Old 07-27-2005, 08:08 PM   #10
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Green coraline usually means low light. My coraline grows all over my rocks but I have yet to see it take over my glass. I also think my salt has something to do with it. I used to keep a nano using instant ocean and my coraline was on the glass within 3 months now I have a larger reef using oceanic salt and i see very little on my glass. I keep my ca and alk in check using bionic

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algae, coral, coralline

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