id please

[LuckyReefer]

im trying to figure out what these little white strings are that are like all over my rockwork and also some zoa frags that i feel like is keeping them from being able to open. I know zoas like water with a little more nutrients which my nitrates are at 7.2 and phosphates are at 0.08…

 

[SaltySteven]

Following

 

[Reefkeepers Archive]

Hydroids, they will irritate corals if they grow too close

 

[EeyoreIsMySpiritAnimal]

Hydroids. You want to get rid of those before they take over the tank.

 

[EeyoreIsMySpiritAnimal]

Duplicate

 

[WalkerLoves_TheOcean]

Yup, they are hydroids.

 

[Jessereef]

im trying to figure out what these little white strings are that are like all over my rockwork and also some zoa frags that i feel like is keeping them from being able to open. I know zoas like water with a little more nutrients which my nitrates are at 7.2 and phosphates are at 0.08…

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