i just added this black moor to my tank 2 days ago ,ive noticed tiny pin head white spots appearing, im not sure if it white spot ,,or just stress .. please help ,as i dont want my other fish affected, p.s. im new to keeping fish ,,and just learning new things every day , ive had my 60 ltr tank for 2 months now ,,clean filter and water change once a week ,(just learned not to use tap water ! )oooooooops, but i now using water cleaner ,oh,, another question ,does boiling water and letting it cool,take chlorine and other harmful stuff out of the water? i was washing filter sponge under tap ,till i read up on the bacteria .dont do that no more ,clean it in fish water now, please dont shoot me down ,,as im so keen to learn ,and want my wee fish to be healthy and happy! any advice would be so appreciated thanx. its a cold water tank, under 68 temp, went to get a amonia and nitrate tester today,but pet shop dont do em ,sigh!