CUC?

willist0

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At what point can you start adding a CUC to a newly set up reef tank?
 
the specific answer is it is based on what the rocks and substrate can do. If they are in a system that can digest ammonia to any degree, CUC is hardly any, then they can be put in without harm.

If a bone white live rock system is being cycled, then they can go in when the digestion tests show the rocks are ready.

if the rocks are uncured marine rock still curing/dying off, we must wait until ammonia production has stopped.
 
this will seem like a crazy statement

in no way shape or form should the clean up crew be the deciding factor on when/if you get green hair algae or any other algae. the reefing world has a serious, serious, serious problem with algae still wiping out $5000 aquariums even though there are 30 yrs of books and articles on how to prevent that (they don't work very well, outdated info)

in any algae book, the opening sentence should say

if you see algae, kill it the first day you see the first sprig, clean up crews and nutrient controls are -hopeful- preventatives they have nothing to do with whether or not algae is in your tank. If they work, great, you'll never see any algae. If they don't work, you'll see some algae, and if you leave it in place expect to have about a 60% chance of never regaining or going long periods disliking your reef and making excuses for it to anyone who sees it.

There is one cause of algae in the marine aquarium, purposeful human farming and nothing else. We see algae, we are told to leave it, act on the water, we do, and my peroxide threads grow by leaps and bounds. Please public keep following the incorrect advice from the last 30 years I cant get enough after pics. but willis I hope you do not ever let algae in your tank, the cuc is there to hopefully eat it and make it not seen. if you are seeing it, it means they aren't working, and you need to
 
Short answer is when nitrite, and amonia are 0 and nitrate is very low
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

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  • Not yet, but I have one that I want to buy in mind!

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  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%

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