Originally Posted by kms907
I have heard of people having algae outbreaks from using bottled water. It was an older thread on this site I'm pretty sure actually.
Up to know I don't have Any algae problems and the tank is been running for almost 3 months now...this week, after installing the led
lights, some dark purple-blackish spots have appeared all over the sand...also,last week a pair of red spots appeared on the glass and I cleaned them with the magnet but one of them appeared again...