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Old 01-21-2010, 09:19 PM
martinmcnally martinmcnally is offline
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Default Any advice appreciated

I have had my tank for about a year and a half now. I think I have met a few of you guys in Red Deer. I feel like I am banging my head against the wall these days. Stuff is not dieing which is good haha but its also growing very very slowly. I am also having some issues lately with polips not being extended on some zoas and xenia. Wondering if anyone in Red Deer would want to come by and take a look and perhaps give me a few pointers as to how to get the tank to the next level.

I discovered my calcium was low just yesterday around 340 for the first time in a long time, I added a few clams I guess they are sucking it all up. So currently trying to raise that. Other tank parameters are:

Salinity: .0025
Alk: Normal
Temp: 26oC
Nitrates / Nitrites / Ammonia etc all zero
Phosphate: 0.5 - been struggling with this one but I think its under control now its falling every day with water changes and Rowaphos.
Mg: Not sure. I ordered a test kit, I think its going to be low if the Calcium is anything to go by
Calcium: 340

Also been struggling with red slime i hope due to the phosphate level so hopefully that will end with the phosphate nearing zero.

Attaching a pic of what it looked like a few weeks ago.

Last edited by martinmcnally; 01-25-2010 at 11:29 PM.
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Old 01-21-2010, 09:24 PM
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How is the tank for flow? Sometimes, especially in the lower tank areas and on the sandbed, cyano can grow in areas that aren't receiving as much flow.

What salt are you using? Odds are that if you are doing regular waterchanges your magnesium levels might not be off by much. You might want to take your water in to get tested for that as well.

What is "normal" alkalinity? I had heard reports that xenia likes higher alkalinities, I'm not sure if that rings true.
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Old 01-21-2010, 09:28 PM
martinmcnally martinmcnally is offline
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Using Instant Ocean, my Alk test kit is useless time for a new one I think. It reads Normal 1.7 to 2.8. Thats as accurate as it gets.

I have 2 Koralia power heads. I thought that was enough but maybe not. One is a large one and one small.
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Old 01-21-2010, 09:40 PM
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I have found that since I have started dosing with Coral Snow that my cyano has totally disappered and the clam's & other coral love it. I also switched to IO Reed Crystals as my Mg was almost non existant. Watching my Ca & Mg levels very closly and using a phos reactor now has really helped. my ALK is at 8.3. Your Ca is low as I have mine at 480 - 500.
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Old 01-21-2010, 09:42 PM
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What size of tank is it?
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Old 01-21-2010, 09:46 PM
martinmcnally martinmcnally is offline
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Tank is 75g I think with prob another at least 10-15 in the sump.

Going to pickup the Mg test kit right now and get a new Alk one while I am at it.

I cleaned the sand bed for the first time the other day took out a lot of yellowish looking gunk along with all the red stuff that was on there. Then yesterday did another water change vacuuming off the rocks (not with the vacuum haha).
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Old 01-21-2010, 09:53 PM
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You have a lot of fish in there for that size of tank
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Old 01-21-2010, 09:54 PM
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That red stuff is probably cyano, did it look like you could almost peel it off in sheet form. If it was then your nitrate's ( think that is right thing that causes cyano) are high as mine were. I had to cut back on the feeding. This can really kick the crap out of most coral I speak from experience but I am in no way an expert.
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Old 01-21-2010, 09:58 PM
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OK well IO can have Mg levels between 900-1100ppm so you might be ok there.

You might want to look into dosing Ca, Mg and an alk buffer now that you have a clam in there using some of that up. I'd do this after you get your water parameters fully tested so you have a baseline.

You might want to put another powerhead in there, or just readjust the ones you have to change up the flow some
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Old 01-21-2010, 10:30 PM
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I would put atleast 1 more power head in there water movement can stimulate coral growth as they like the movement and it brings more nutrients to them. I have a 55g right now with 5 power heads 3 are on constently they are lower flow and have ocilaters so they sweep back and forth, two are on at opisit times on a timers corallife timer switch. I have no cyano or red slime algae, I did have a very small outbreak of cyano when I started up but that is all I had. The green hair algae was my problem and that I believe was because of a bad timer. It was a digital timer the programming was right but it would turn off when it was suposto turn on and turn on when it was suposto turn off. Fired it in the trash should have broght it back and got my money back ho well.
Bill
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