NEVERMIND....I just did some reading on it...this is Mrs. Wages Pickling Lime....and also Kalkwasser...and this is what you do....
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Calcium Hydroxide
Injecting aiptasia with calcium hydroxide (kalkwasser) in a concentrated solution is one of the most common methods used. The consensus we get on this method is that is does work, but is not very efficiently unless done properly. The kill rate is low if the anemone is not directly injected with it and if the solution is not strong enough. Another problem is that if you try to kill to many aiptasia at once, this can cause a problem with the pH in your tank from adding to much CAOH2 at one time.