CaribSea Purple Up Algae Accelerator, 16-Ounce

I think this stuff works. I am sure it would. However...keeping your levels in check will have the same result. From a fresh setup it'll take a tank about 6 months to start producing coralline and from there it can be quite prolific. Mine produces its own. I have used purple up but never seen any so called acceleration. My friend has a tank set up for about 3 years, never used an accelerator and he can't scrape the coralline off the glass fast enough. He runs his calcium level 460-500 ppm. Mine is more 420-440 ppm. Personally I wouldn't bother using it..it's just another consumable taking your money.

I have a reef tank, but i'm just not sure if this product works. It does increase the calcium levels in the tank simply because it is a solution of pulverized argonite or other calcium compound. I had great success with a part a&b solution. My father uses it and likes it but it does leave the argonite residue on everything, and it has harden in the sump so when it is disturbed, white flakes shoot out the return.

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After a couple of weeks of use, what appeared as purple algae ie corraline, turned out to cyano even though my phosphates are 0.03. Worse yet, my yellow tang started acting funny and I haven't seen it for 3 weeks, so I assume it died. I've stopped using it and cyano algae has halted its progress. My other fish are fine and some corals are improving. Won't ever use again and have learned to be patient...corraline takes time to grow. By the way, my pH is 8.2, nitrates =1-2, nitrites and ammonia =0, calcium 430, alk 175 ppm, magnesium = 1300.

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I'm not sure what the reviews saying it doesn't work are about, because it does, and has for a long time. Purple up does it's job and get coraline started and continued. I've been using it for a long time and started up a new tank in January, a 28g Nano Cube and it works really well. It took about 3-4 weeks to see good progress, and within 2 months the tank is covered like it should be. I really like it, and use it every now and then when I think about it to keep the levels of coraline growing. I have never seen a spike in Ph levels because of it, and it doesn't affect any of my other levels but calcium.

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Purple Up has worked for me. I love the product. It's easy to use. Just add the recommended amount on the label. My live rock has never looked better and purple algae is growing on everything in my tank. I have to clean the front of the tank all the time to prevent purple algae from growing there too. Be patient and consistent with it and you will get results like you never before.

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