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  #31  
Old 11-24-2017, 03:56 AM
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G.Alexander G.Alexander 目前離線
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Not sure what to recommend, I would personally replace the sand with a shallow sand bed of dry aragonite soaked well in RO water in two or three steps within a 4 week period.

Another possibility is to try vacuum the sand you have regular while each water change plus giving the additional treatments I have mention in my last post a try.

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  #32  
Old 11-24-2017, 10:08 AM
gguertin145 gguertin145 目前離線
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So this is just a question not meant to be argumentative. Whats the difference between soaking my existing sand bed in ro water vs buying new and dry? Wouldnt anything from my sand die in ro water anyway?


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  #33  
Old 11-24-2017, 11:28 AM
gguertin145 gguertin145 目前離線
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I see zeo sells 3-5mm arag are you trying to say the 3-5 would be better then the 1-2. I guess in the picture I posted of my sand it says arag-alive so I was assuming I had the right sand just the fact it had existing bacteria.


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  #34  
Old 11-24-2017, 12:30 PM
gguertin145 gguertin145 目前離線
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I found some other posts where you recommended an option I can find in the us. I ordered 80lbs for my 180g of SeaFloor Special Grade 1-2mm. My existing wasnt even close to that size but I thought it was.


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  #35  
Old 11-24-2017, 11:49 PM
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I can not tell you which kind of bacteria the packed live sand contain but bacteria can survive in freshwater also, it might work but I can not tell you the result.

A grain size of 1-2 mm is very small in my opinion, but basically it should work. Please keep in mind that replacing the sand is a big impact to the biology so replacing it slow step by step is the most save way.

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  #36  
Old 12-01-2017, 12:01 PM
gguertin145 gguertin145 目前離線
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Small Update
4 weeks today so changing the stones.
Took the sand out and soaking the new sand. This seems to have solved my Cyano issue. The new sand is soaking right now, its ready but I want to give the tank a little bit because I added about 1/3 of my rock to the tank. Everything that is going back into the tank is dry/cycled I ran the live rock for months on a tank with just a scrubber and nothing else harvesting algae weekly until it would no longer grow.

Any ideas what would be best practice on how much I could add back and how far apart? I added 1/3 of the rock and have more rock and sand ready just dont want to add to much at 1 time... would every 2-3 days adding another 1/3 of rock work?
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  #37  
Old 12-02-2017, 12:04 AM
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If you add the rocks slowly step by step the impact will be the smallest so my recommendation would be adding it as slow as possible.

As your tank runs without sand at the moment I would add the new sand at once if it is soaked very well in RO water not leaching PO4 anymore. This is what I would do first before the rocks. You will get some kind of a algae film in the first couple of days but this should disappear. If you have CoralSnow already you can add 1 ml / 25 US gallons every other day for some time also some additional drops of ZeoBac pure can be dosed.

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  #38  
Old 12-05-2017, 01:56 PM
gguertin145 gguertin145 目前離線
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I am at 4.5 weeks at what point would you recommend running the reactor full time?
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  #39  
Old 12-06-2017, 05:24 AM
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Usually I recommend to switch the reactor flow to continuous about 2 weeks after the first ZeoVit exchange if all corals are doing well.

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