hair green algae

[macci]

i am new to reef aquarium. i have a 62 ltrs planning to be a reef tank it been set up for around 45 days. i test all the water ammonia 0 no2 0 no3 0 phosphrate 0. i change the lightning to led setup and i make a mistake i leave it for 4 days on and last saturday i notice that hair green algie is growing on live rock i whent to my local store and he told me to reduce the lightning for 8 hrs a day. do the lightning causes green hair algae and there is any way to dont let it grown and ger rid of it or it will rid alone ? here are some pictures

thanks

 

[fishroomlady]

that looks like bryopsis algae with some hair algae. I would try to manually remove it. You definitely don't want to keep your lights on 24 hours, 8 should be enough. what filtration do you have? although your test kit says you don't have phosphates, the fact that you have algae suggests that you do have some excess phosphates.

 

[macci]

how can i manual remove it? and what you mean by ecess phosphates sry i am new to reef tank i am still anoobie do you thing the light causes it?

 

[fishroomlady]

extra nutrients (phosphate) in the water will contribute to algae growth. You can take the rock out and scrub the algae off, the bryopis you can pinch off - that's what I meant by manual removal. Light will contribute to the growth but the excess nutrient (phosphate) needs to be present for it to grow. Are you running any mechanical filtration (skimmer)? are you doing water changes?

It is a good idea to read a lot of information on saltwater tank keeping. You never stop learning in this hobby. I still learn something new everyday!

 

[macci]

yes i am doing 10% evrey week

 

[macci]

if i dont remove it manual i keep growing or it will go away alone?

 

[Dalmatia]

Ho2o (hydrogen peroxide) 3%
Dose 1ml for every 10 gallons daily. Take pics of your progress. You won't be disappointed