What else will slow down algae?

[reefwars]

Originally Posted by BlueTang<3

Whats your stocking like , how old are your bulbs, how much flow do you have, how much do you feed, how much rock and sand do you have and are you using a mechanical filter? You are not going to get a phosphate reading because all the algae is eating it up so there is none left to check. Why is your calcium at 700+?

yeah calcium at 700 or more would be sounding alarms off in my head are you dosing anything??perhaps your test kit is wrong??