BTW - I recently killed off about a dozen or so little aiptasia.
I used a Kalkwasser paste and a needle-less syringe. I just covered the f'ers and Poof no more Aiptasia.
That said, if there is nothing of value on the rock I would just blow it up  _________ www.thesmartfisherman.com
20 Gal & 15 Gal Refugium/Sump-25 Lbs Live Rock, 30lbs Sand. 2x65 PC 10,000, 6500k Actinics with blue Moonlight, Fan. 2 Green Chromis, Maroon Clown, Royal Gamma.
Xenia, Sabae Anemone, Frogspawn, Yellow Star Polyps, Buttons, Sun coral, Mushrooms, Riccordia, Zoas, Feather Dusters, Emerald Crab, Red mithrax crab, 1 Scarlet Legs, 15 Blue Leg, 15 Assorted Snails.
Refugium- Mud, one inch sand top, Cheatamorpha & LR, Rio1800 Pump. Two fans | 
