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Old 10-02-2010, 03:01 PM   #1
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Purple up

Has anyone used this? Is it any good? Is it worth buying? I have a black long spine urchin and he ate a lot of my coraline algae. I want to grow it back. Any ideas or advice?

thanks
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Old 10-02-2010, 04:03 PM   #2
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You dont need it. Just keep your Alk, calcium and magnesium in check with frequent PWC`s and your Corraline will be fine.
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Old 10-02-2010, 09:04 PM   #3
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In my opinion if you know enough to call it coralline then you can handle more advanced supplementation. Test the parameters listed above and add specific supplements if needed.
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Old 10-02-2010, 09:05 PM   #4
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Any links to arcticles on advanced supplementation?
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Old 10-02-2010, 09:33 PM   #5
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In general simply test Ca, Alk, and Mg daily. If needed add supplements for the ones you need as needed. Many people focus on Ca and Alk and use two part supplements (A and B type additives) but completely forget Mg. One tank may never need supplements, one tank may need very little or only one, some tanks will need lots of supplementation of all three. It will vary based on how fast these chemicals are used in the tank by corals (and acids in the case of Alk) as well as by the type of salt used and how large and frequent the water changes are. In the same tank weekly water changes with a high quality salt with supplemental levels of Ca, Alk, and Mg will go a lot further than monthly water changes with a cheaper salt or one that simply matches natural seawater's Ca, Alk, and Mg concentrations.
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Old 10-02-2010, 10:02 PM   #6
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ok awesome. thank you for the help. I appreciate it.
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Old 10-02-2010, 11:34 PM   #7
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it caused and cyano out break in my tank. Just do like Melosu said.
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Old 10-03-2010, 01:27 AM   #8
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Quote:
Originally Posted by sean112280 View Post
... I have a black long spine urchin and he ate a lot of my coraline algae. I want to grow it back. Any ideas or advice? ,,,
It will grow back on its own without the PurpleUp, as others have mentioned. But as long as that urchin is in there, he'll keep eating it...
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Old 10-03-2010, 03:09 PM   #10
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ive generally havent dosed any chemicals in my tank except once i did a 2 part SeaChem p1 p2 calcium dose in which was probably worthless. Im finding all of this information to be well unless you have a 150g+ u dont need to dose chemicals at all and a PWC bi - weekly provides all the correct balance?
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