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Old 02-21-2005, 06:25 PM   #1
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Cyano Question.

I've had my tank up for almost a week now and I can see that I have some cyano starting in the back two corners of my tank, pretty much under my PHs.
Seeing this is a new tank set up(yes Im using RO water) I assume that it should go away. My question is roughly how long should it take? I have 2 MJ 1200's in my tank pointing forward to the middle of my tank and slightly up to create water movement on the surface. Should I point them more down or just leave them.
Thanx all, I know newbie's are a pain sometimes.
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Old 02-21-2005, 06:33 PM   #2
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The cyano is still being "fed" by something in your tank. This is probably in the form of phosphates. It can be overfeeding or a bad filter in your ro setup. You might want to add a di stage to the filter. As long as the phosphates are high it will not burn out and go away.
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Old 02-21-2005, 06:38 PM   #3
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I guess I'll have to test the water then. I buy it from a local store. cant be from feeding cause I dont have fish yet.
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Old 02-21-2005, 06:55 PM   #4
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What does it look like? I had diatoms when I first setup my tank (brown algae on the sand glass and rocks, looks like total crud). It can take a few weeks until they burn out in a new tank. Just be patient. If they're still there at the end of your cycle then you'll have to start trying to figure out why, but with a new tank I wouldn't really stress much about it.
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Old 02-21-2005, 07:17 PM   #5
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good point phyl- are you sure it is cyano or could it be diatoms? The diatoms are caused by silicates and will burn out on their own. Diatoms are usually brown and rub off the glass easily. Cyano can be many different colors but is normaly red and grows in "sheet" like layers.
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40lbs livesand(bag from LFS), 30lbs live rock(LR.com)
2 O. Clowns
1 peppermint shrimp, 5 red leg hermit crabs,
4 mexican turbo snails, 15 nassarius snails
ricordea mushroom, candy cane coral,
super color polyps, hairy mushrooms
bubble coral, hawiian feather duster
coralife lunar 2x65, HOT magnum canister
10 Gal refugium(chaeto) & seaclone skimmer
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Old 02-21-2005, 07:22 PM   #6
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Hehehehe
I was just testing my Phos. when I thought "diatoms"
Yes thats what it is...brown little here, little there.
You'll be glad to know that phos. is at 0.5 in my tank and the plain RO water tests at 0.
Thanx for the help in anycase. sorry about the screwup
again
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