Hi, my daughter just threw my "scrubber" - the kind that keeps the dishsoap in the handle- into my tank. I have 4 hermits and about 10 snails, 1 emerald crab, 1 conch, and 2 clownfish. I just sucked about 1/3 of the water out, but now I have to run into the pet shop to buy some more water. Is...