MechEng99
aka Reef'd Up
What would cause one acro in particular to STN every late summer/ early fall for the past 3 years? I've had this acropora valida for 3 years, and come August/September, it starts looking like concrete and STN's from the base up. I'll frag it...all the frags will continue to STN...until October comes...and it stops. It's only one coral that does this - I've had it in various tanks...various size frags...various places in the tank...various flow rates...whatever. Obviously, this isn't an issue at the moment, so I'm just asking out of curiousity.
My only thought is outside influence. We sometimes open our windows that time of year depending on weather, but our tanks are in a room on the other side of the house from where we open windows. We also tend to run our A/C less then too. But, if this were the case, I'd expect this in the spring too. Temp is always 79-81, pH is always right around 8.2. I have never noticed a chemical problem when this is going on...and like I said, no other corals were affected.
I know corals spawn around that time too, but I've never noticed any sign of spawning from this coral.
Any thoughts?
My only thought is outside influence. We sometimes open our windows that time of year depending on weather, but our tanks are in a room on the other side of the house from where we open windows. We also tend to run our A/C less then too. But, if this were the case, I'd expect this in the spring too. Temp is always 79-81, pH is always right around 8.2. I have never noticed a chemical problem when this is going on...and like I said, no other corals were affected.
I know corals spawn around that time too, but I've never noticed any sign of spawning from this coral.
Any thoughts?
