Hi. I haven't got a water test kit. Tank is 125 litre with small community fish. 5 neons, 5 white clouds, 5 glowlights, 10 plattys including fry, 2 danios, 2 small bronze corydoras, 3 small clown loach.Has been established over 3 months. Lots of live plants and bogwood. Aeration by high power...