can you take the two chunks of rock out of the tank? if so I would take it out and deal with the calurpa fast. I had it start with one rock and it took over my tank
Lawn mower blennies are film algae eaters so no the will not help.
a couple ways to try deal with it are to put it in a bucket of water with a power head and heater.. put it in the dark for a month. or the extreme method would be to boil the rock for say 3 hours to kill everything off.
Steve
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