Alage help

[hckyplayaks3215]

I have a 20 gallon long tank, right now i only have 6 1/2 pounds of live rock (for now im trying to save up money to get up to about 20 pounds) 4 turbo snails, 3 reef hermits, and a damsel in it. I change about 2 gallons of water every week, since i have no skimmer, but i have green alage growing on my live sand, it kind of looks like moss in a way. Can anyone tell me what it might be and how to get ride of it?

[jenglish]

what kind of light? how long is it on a day?
Have you tested for nitrate and phosphate?
where does your water come from?
How long has the tank been set up?---- algae outbreaks are common in the first couple of months

[hckyplayaks3215]

www . current-usa . com/satellite.html
thats the light, model number 1014, and 9 hours a day.
the levels are fine.
i use tap water and prime water conditioner.
and ive had the tank set up since the start of septemeber.

[jenglish]

what Brand of testing supp;lies are you using?
what are the actual numbers you are getting on tests for nitrate and phosphate?
what, how much and how often do you feed?

I highly reccomend using distilled or RO/DI water to do your water changes and top offs.

It is possible that all your numbers look good and its just part of the tank maturing but w/ tap water and no hard numbers on water params its hard to say