I'v been running my marine tank (220litres) for over 2 months now.The problem i've got is that green algae keeps growing on the bottom of the coral gravel soon after doign a water change.Is this normal.I do a 20% water change every 2 weeks.I tested the water last night:
ammonia:0
nitrites:0
nitrates:5
I run my marine blue and whitle lights for about 10 hours a day.
thanks
ammonia:0
nitrites:0
nitrates:5
I run my marine blue and whitle lights for about 10 hours a day.
thanks