I've been keeping a SPS tank for some time now. I had a bought of RTN several months ago and lost 4-5 colonies at different locations in my tank. (120) I had just introduced several new frag colonies, was having an ick problem, and had high alk. I vodka dose. I stopped ick treatments, scrutinized all the corals, and started removing 10 gallons of water from the tank daily by vacuuming the substrate.
I've continued with the vodka dosing and frequent water changes and things have been stable for months. I've lost two established colonies in the last 24 hours. They were neighbors, and this is the same spot were the first RTN outbreak occurred. Its a high flow, high light area, and there are no stinging corals nearby. I added some frags from a swap four days ago after dipping them in lugols.
I have two other tanks hooked in through the same sump with a total volume of 400ish gallons. I added a macro algae tank into this system about a week ago.
Water parameters, flow, lights, etc are all as they have been. Any thoughts?
I've continued with the vodka dosing and frequent water changes and things have been stable for months. I've lost two established colonies in the last 24 hours. They were neighbors, and this is the same spot were the first RTN outbreak occurred. Its a high flow, high light area, and there are no stinging corals nearby. I added some frags from a swap four days ago after dipping them in lugols.
I have two other tanks hooked in through the same sump with a total volume of 400ish gallons. I added a macro algae tank into this system about a week ago.
Water parameters, flow, lights, etc are all as they have been. Any thoughts?
