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Crys

iodide for inverts

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Crys

Hi all,

 

Is it important to dose with iodide to able inverts to molt?  I have read various reports on-line.  The crabs in my tank don't always make it through a molt.  I have good salt and calcium levels are ok.  I do have a lot of macro algae, mermaid fan and dragons breath.  I have heard that they take up iodine from the water column so I wondered if I was losing too much.   Any thoughts would be helpful.

 

Thanks

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Tired

It depends on what your iodine levels are. Dosing may be worth a try if you have molting issues, but you should have a test kit to make sure you don't dose too much. 

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seabass

In general, most salt mixes contain enough iodine; so if you are doing regular water changes and aren't over skimming your tank, then iodine isn't typically an issue.  However, @snostorm has been having similar problems with his cleaner shrimp, and recently linked this thread:

 

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Crys

Hmm,

 

The link was interesting.  I had always used seachem as well but because of shortages I had to change to instant ocean, although my porcelain crabs never survived there first molt so I quit buying them.  Do the macro algae take up  iodine.  I definitely need to get a test kit.

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seabass
19 minutes ago, Crys said:

Do the macro algae take up  iodine.

Yep.

 

Sounds like you already know this; but If you dose, use iodide not iodine.

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Crys

I bought some iodide but am still nervous to use it.  The bottle says every second day.  Which seems high to me but I actually know nothing about it.  🙃

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seabass

It's risky dosing anything (without testing) based on a bottle's recommendations.  Testing is the best and safest way to dose iodide.  If I were to dose blindly based on the label's directions, I'd dose 1/4 a dose, just once a week.

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Crys

thanks, I think it would be best to get a kit don't want to lose other animals experimenting.

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Tamberav

What do you feed your inverts? Food contains more iodine than seawater. That is how fish get their needed iodine. 

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