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Old 08-14-2008, 03:38 AM   #1
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live rock turning white

i had a question about my cured live fiji rock turnign white. when i bought it a week ago, it had purple and red on it. as of 2 days ago i started adding biozyme to my cycling tank. today i noticed that almost all of the purple and red have turned white. could it have anything to do with the biozyme? or is it dying? IF this is a problem can it be fixed and how?
just fyi my levels are as follows in case it may have something to do with it...
ph~7.8
ammonia~0ppm
nitrIte~0ppm
nitrate~0ppm
salinity~1.021
(all these levels have stayed the same since i set it up about a week ago,cycling with live rock only)
thanks in advance
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Old 08-14-2008, 03:45 AM   #2
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Stop adding chemicals. If your LR was exposed to high light out of the water for some time this would cause the coralline to die off. And the amount of dieoff would effect it. My guess is your tank had a high cycle that killed it off. Its fine though as it will grow back. But adding stuff will not help.
There is a basic setup that will give great results and as your tank matures and you learn more it will become easier.
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Old 08-14-2008, 08:55 PM   #3
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calcium and alk levels are also important for coralline growth. btw- don't worry about the coralline turning white. it will come back.
and +1 to "stop adding chemicals". just let it cycle on it's own.
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Old 08-14-2008, 09:53 PM   #4
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does it look like this? my rock did this after i got it.

but i have some red patches on it now.

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Old 08-14-2008, 10:01 PM   #5
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yes thats what it looks like! i was told to use the biozyme to add good bacteria to the tank. i didnt do it becase the lr turned white though, i just think it was coincidence it happened the time i started and wasnt sure if it had anything to do with it. so should i stop using the biozyme? (if its bad why?)
also will the lr change color as time goes by?
thanks for the great input im just trying to do the right thing!
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Old 08-14-2008, 10:10 PM   #6
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you already have bacteria on your live rock. that's the component that makes it "live". not coralline or hitch hikers...it's simply bacteria.
the rock will most certainly change color, depending on the parameters, and what spores/remnants of life are available on it. you don't need to add even more bacteria.
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Old 08-14-2008, 10:13 PM   #7
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ok thanks
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Old 08-15-2008, 12:56 AM   #8
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biozime or w/e has nothing to do w/ crowing coraline. try test your calcium or you can do what i do and just add purple up through out the week and never test the calcium and watch the coroline grow, you might have to top off your tank water more often, seems to evaporate faster.
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Old 08-15-2008, 01:14 AM   #9
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OH NOOO... i just checked on my tank, i bought macro algae plants today and one of them is almost completely whit too now. what is going on?
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Old 08-15-2008, 02:15 AM   #10
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... or you can do what i do and just add purple up through out the week and never test the calcium and watch the coroline grow, you might have to top off your tank water more often, seems to evaporate faster.
It's good habit to never add anything to your tank that you aren't testing for. Adding Ca and Alk without testing (you mentioned alk in another thread) is a really good way to start a tank with your water parameters really out of whack. With Ca between 380 and 420, and alk between 8-12 dkH, coralline will grow just fine on its own.

Adding PurpleUp will not change the evaporation rate.
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