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Old 02-23-2010, 05:17 PM   #1
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Ca Problem?? And algae

Is there a way where my newly introduced clam is sucking up all the Ca in my tank? my coral are not doing so sharp my mushrooms are not opening up my xenia is looking kind of wierd my montis are getting white kenya tree is shriviled this clam is huge so could he be sucking up all the calcuim i dose my tank with purple up and coral vite like every 2 days or so eveything was looking really nice until i introduce my clam i am also having a hige algae Problem ist a lime green algae and it wont go away i just did a water change and have been leaving my fixture in dusk mode but its still expanding i havent tested my calcuim of PO i brought the master kit today and will do my testing when i get outta class at around eight tonight i will do my testing i dose it about 2 mins ago so makes no sence do testing now alot of question
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Old 02-23-2010, 05:51 PM   #2
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Probably not, in fact I would say definitely not. A clam extracts calcium to build it's shell. You would need to see alot of new shell growth really fast...and that doesn't happen.

PurpleUp is not a product to supplement calcium. It's such a weak solution that you can probably pour the whole bottle in and only see a small rise in your calcium level.

So the questions for you....
What salt do you use?
What kind of water for water changes and top offs? RO/DI? tap? well?
Water parameters - nitrate, phosphate, calcium, alkalinity, magnesium?
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Old 02-23-2010, 08:18 PM   #3
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Definately what Larry said. We'll need to see those answers to help figure out what's going on.

Also, how long has the tank been running? How heavily loaded is it in terms of corals?
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Old 02-23-2010, 09:42 PM   #4
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Ok my levels are not so good no idea need help asap no idea how these levels got so outta wak exept i was dosing wit purple up i just did a water change wit instant ocean reef crystal salt i use ro water dont have alk or mag test kit yet will go out and buy one tmrrow

Nitrate- 20ppm
Ca- 560 ppm
Carbonate Hardness-12dkh
Phosphate-2.0
Ph 8.8
Ammonia 0
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Old 02-23-2010, 09:50 PM   #5
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What salinity is your water at?

Ca of 560 - I didn't even know it was possible to get that much in the water. Maybe retest that one.

The phosphates are likely what's causing the algae bloom. You want to try to keep your PO4 undetectable.
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Old 02-23-2010, 09:54 PM   #6
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gravity is 1.028
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Old 02-23-2010, 09:55 PM   #7
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i will redo test
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Old 02-23-2010, 10:27 PM   #8
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Drop your salinity by removing saltwater and adding fresh water. There is no reason to be higher than 1.026. How are you measuring it? Swing arm hydrometer or refractometer? Dropping the salinity will also drop your alk and calcium levels. Using Reef Crystals, a fresh mix at 1.026 should be around 490 calcium and 13 dKH alk.

You definitely need to lower your phosphate. Look into getting some GFO and a reactor for it.

Neilan, a fresh mix of Oceanic reads 580 calcium and Coralife is 560.
http://www.reefcentral.com/forums/sh....php?t=1714505
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Old 02-23-2010, 10:46 PM   #9
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Wuts a GFO will replace some saltwater with FW tonight and i am testing with a hydrometer
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Old 02-23-2010, 10:47 PM   #10
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Ca is 500ish
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