why are my zoo's so small

[lilj104]

I have a 12g nanocube. I have a few zoos who when i first had them in the tank they were bigger, now they are open but shrunken and not to maximum size. Why do some of my zoo stay open to maximum size and other shrunken in and small

 

[dmatt88]

Well first ya gotta check lighting. Many zoas don't like too much light. Then look at salinity n water quality. There's the two magic ingredients.

........Myreeftoyours is calling me. again.

 

[catran]

Well first ya gotta check lighting. Many zoas don't like too much light. Then look at salinity n water quality. There's the two magic ingredients.

........Myreeftoyours is calling me. again.

Agreed. Mine shrink with high salinity.


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[lilj104]

then it might be the salinity, it is in the 1.027 area. I swear i dilute it and then it slowly rises up again

 

[lilj104]

how would i be able to keep my salinity in the 1.023 range all that time

 

[engineer goby]

Siphon out some water and replace it with RO/DI water. When you get it to 1.023 setup an ATO (auto top off), that will keep it right where you need it.

 

[JHamilton0170]

Salinity keeps going up? You're topping off with fresh water, right?

 

[sk8rdn]

Siphon out some water and replace it with RO/DI water. When you get it to 1.023 setup an ATO (auto top off), that will keep it right where you need it.

+1

and just keep up with your evaporation every day...

 

[BigAl07]

If you're not topping off regularly with Fresh Water (preferably RO/DI) or you're topping off with Salt Water there is your problem.

While 1.027 isn't "emergency" it's a tad high for some of our live stock. One thing is to not do ANYTHING quickly. I suggest any changes you make (especially to salinity) be done over the course of a day or more depending on the amount of change needed. Osmotic shock will kill fish, coral, inverts.... just about anything in your tank if it's bad enough. Go slow and know WHY you're doing it.

 

[catran]

If you're not topping off regularly with Fresh Water (preferably RO/DI) or you're topping off with Salt Water there is your problem.

While 1.027 isn't "emergency" it's a tad high for some of our live stock. One thing is to not do ANYTHING quickly. I suggest any changes you make (especially to salinity) be done over the course of a day or more depending on the amount of change needed. Osmotic shock will kill fish, coral, inverts.... just about anything in your tank if it's bad enough. Go slow and know WHY you're doing it.

+1^. Bring it down slowly. I would think 1.024 wold be better too.


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[lilj104]

Salinity keeps going up? You're topping off with fresh water, right?

yea i'm topping off every other day. But when i checked my salinity this morning it was actually 1.024. So i just took a couple cups out of the tank and replaced it with R/O water.

 

[dmatt88]

I keep a steady 1.025.

........Myreeftoyours is calling me. again.

 

[catran]

Be careful. Frogspawn and Hammers hate low salinity. Not sure what you have in your tank, but I wouldn't go below 1.024. I keep mine with hundreds of zoas at 1.025.


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[lilj104]

then i'll keep it where it's at..thanks guys.