Hi guys, i have a Roma 200 tank ( 200 ltr ) and was wondering if i am overstocked. I am getting a lot of green algea in the tank and i was told it might be because i am over stocked and have too much waste in the tank. I have 12 zebra danios, 10 neons, 2 electric blue rams and a khuli loach ( i think thats how it's spelt ). Thanks for any replies.