Today Elliot and Jacob worked on checking nutrient levels in the tanks, which involves using an aquarium test kit of gauge ammonium, nitrate, nitrite, pH and salinity levels; everything is normal except for ammonium, which continues to be high. Ian and Jacob then performed a 40% water change with fresh seawater, and added in ammonium reducer. It worked! Ammonium levels went back to ‘safe’ concentrations; hopefully they stay low as biofilms begin to colonize filters.
This afternoon, Elliot decided to try feeding the stars again. Our first attempt with shrimp wasn’t successful – animals generally discarded the crustacean tissues. So, this afternoon Elliot tried a new food source, mussels from Wegmans (our local awesome supermarket).
WOW! Ru and Alaska, our two biggest Evasterias immediately picked up a mussel and attempted to open it. JAWS!
Since the stars are in rather poor condition, it’s likely they won’t be able to force…
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