ok so i finally got a test kit today, and i tested all my tanks, my feeder tank which im trying to breed mollies and have a couple ghost shirmp in tested 0 for amo but the nitrate when i measured it was at about 80 or more ppm i did a massive water change about 40 % waited awhile checked it again still high, so then i measared my tap water and it was about 10 ppm is this bad?? the only thing in this tank when i tested the first time was one rosy red, i have usally been doing large water changs? i also checked my water for ammonia and got 0 im a little confuesed, its a 10 gal tank with a 30-60 whisper filter also uses one of those large airstone powered filters