<a href=showthread.php?s=&postid=6535877#post6535877 target=_blank>Originally posted</a> by heshamal
I did test befor switch on the uv for ammonia nitrite and nitrate ........ about ammonia and nitrite I don't have coz my tank it is 1 year old about nitrate ( NO 3 ) I have it around 20- 40 in the middle of the kit but ....after 3 weeks also I did test It was same 20-40 in the middle of the kit in this time my colral going to die I switch off the uv after 2 weeks come back ok ....
about the alge come less ..... I thank It's ok for the animone the alge come less ? ?????
the light I use
coralife actintec 03
F36 -T8-Bp
another light
D-40w 10000k
140 gallon 6 watt
also I add kalkwasser in my water in this time ....
so what the problem