Hmmm....

[Robot_Rooster]

i was testin gout the water for my newly setup tank and i have tested the other tank before and th tablet dissolved fine but when i tried to test mynew tank for nitrites the tablet is just not dissolving and left at the bottom in white dust. and i have shaken it and left it for two hours now,

sorry if that does not seem properly formed sentances im too tired at the moment but if you cannot read it i can rewrite.