ok so here is the deal. i have not had cloudy water in this tank since i have set it up except of course when i add sand. i have an fx5 filled with eheim ehfisubstrat and an eheim 2217. i came back from the weekend, the lights were off all weekend and the water is cloudy. i did my normal every 3-4 day 40% water change and its still cloudy. any ideas why my water isnt crispy like it always is? the tank gets very little sunlight at all.
EXTREAME CRISPYNESS