Why won’t my zoas open even though my parameters are normal?

[Mantiskid]

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[vetteguy53081]

Parameters- What test kits are you using ?
Age of tank?

If your polyps were previously open and have recently closed up, this should be taken as a serious sign of a water parameters issue. The first things I would check are ph and salinity. In my experience, zoas will close up if there are swings in salinity. Zoas must have iodide, not iodine in their water and under moderate light and water flow. They seem to do best in the lower half to third of the tank in an area of low-medium to medium-high flow. Too much flow may make it hard for the polyps to open. You will know your zoanthids are ‘happy’ if they open up and are fully extended without seeming to stretch so far upright.. The majority of zoanthids have symbiotic photosynthetic zooxanthellae (I dare you to try and say that three times quickly) and are therefore best kept with at least moderate aquarium lighting as mentioned for production of zooxanthele.
Zoanthids require the standard water parameters that are good for keeping just about any of your corals healthy. You’re aiming for water temperature about 78 F, salinity somewhere around 1.025 specific gravity) and normal hardness 8-11 dKH) and a pH around 8.1-8.3.

 

[ZoWhat]

Your light is not matching their needs

 

[Mantiskid]

Your light is not matching their needs

Well I have the ai prime and I’m using a schedule ( David saxbys) but I turned down my intensity because my tank is smaller way smaller.

 

[Mantiskid]

Parameters- What test kits are you using ?
Age of tank?

If your polyps were previously open and have recently closed up, this should be taken as a serious sign of a water parameters issue. The first things I would check are ph and salinity. In my experience, zoas will close up if there are swings in salinity. Zoas must have iodide, not iodine in their water and under moderate light and water flow. They seem to do best in the lower half to third of the tank in an area of low-medium to medium-high flow. Too much flow may make it hard for the polyps to open. You will know your zoanthids are ‘happy’ if they open up and are fully extended without seeming to stretch so far upright.. The majority of zoanthids have symbiotic photosynthetic zooxanthellae (I dare you to try and say that three times quickly) and are therefore best kept with at least moderate aquarium lighting as mentioned for production of zooxanthele.
Zoanthids require the standard water parameters that are good for keeping just about any of your corals healthy. You’re aiming for water temperature about 78 F, salinity somewhere around 1.025 specific gravity) and normal hardness 8-11 dKH) and a pH around 8.1-8.3

Parameters- What test kits are you using ?
Age of tank?

If your polyps were previously open and have recently closed up, this should be taken as a serious sign of a water parameters issue. The first things I would check are ph and salinity. In my experience, zoas will close up if there are swings in salinity. Zoas must have iodide, not iodine in their water and under moderate light and water flow. They seem to do best in the lower half to third of the tank in an area of low-medium to medium-high flow. Too much flow may make it hard for the polyps to open. You will know your zoanthids are ‘happy’ if they open up and are fully extended without seeming to stretch so far upright.. The majority of zoanthids have symbiotic photosynthetic zooxanthellae (I dare you to try and say that three times quickly) and are therefore best kept with at least moderate aquarium lighting as mentioned for production of zooxanthele.
Zoanthids require the standard water parameters that are good for keeping just about any of your corals healthy. You’re aiming for water temperature about 78 F, salinity somewhere around 1.025 specific gravity) and normal hardness 8-11 dKH) and a pH around 8.1-8.3.

I’m using salifert to test my nitrates and nitritites and I’m using salifert to test my ammonia

 

[Mantiskid]

Parameters- What test kits are you using ?
Age of tank?

If your polyps were previously open and have recently closed up, this should be taken as a serious sign of a water parameters issue. The first things I would check are ph and salinity. In my experience, zoas will close up if there are swings in salinity. Zoas must have iodide, not iodine in their water and under moderate light and water flow. They seem to do best in the lower half to third of the tank in an area of low-medium to medium-high flow. Too much flow may make it hard for the polyps to open. You will know your zoanthids are ‘happy’ if they open up and are fully extended without seeming to stretch so far upright.. The majority of zoanthids have symbiotic photosynthetic zooxanthellae (I dare you to try and say that three times quickly) and are therefore best kept with at least moderate aquarium lighting as mentioned for production of zooxanthele.
Zoanthids require the standard water parameters that are good for keeping just about any of your corals healthy. You’re aiming for water temperature about 78 F, salinity somewhere around 1.025 specific gravity) and normal hardness 8-11 dKH) and a pH around 8.1-8.3.

And my tank is over a year old

 

[Yates273]

It would help for you to post your numbers this way we can rule any of that out.

 

[Steven Garland]

Posting params will definitely help. Also,you said your turned your light down,to what percentages ?

 

[Rickybobby]

I read about the iodine before as well. I keep my nutrients very low at 2ppm nitrate and barely detectable pho’s. Had some zoas close up. Bought seachem reef iodide add just a little and we’ve since had nothing but success

 

[ReefRusty]

What is your Alk, calcium, mag, lights?? Ask these will help us work out what's up. Any other fish in the tank or corals near them? Pictures?

 

[Mantiskid]

It would help for you to post your numbers this way we can rule any of that out.

My alkalinity is 8 my salinity is 1.025 my calcium is 400ppm. My uv is 44 my violet is 54 my royal is 82 and my blue is 77. Which comes out 28 watts of power this only runs this much power for about 5 hours and my other 3 hours have lower intensities

 

[Mantiskid]

I see some algae growth so I’m going to use a turkey baster and see what comes off GENTLY

 

[ss30]

What are your N03, P04 and Mag?

 

[Mantiskid]

My N03 is 6ppm and my P04 is 0.05 and my mag is 1300ppm

 

[Mantiskid]

What are your N03, P04 and Mag?

Let me mention I have a anemone and he did move to the front of the tank(where this little guy is) and he might’ve stung him