what causes this

[lanacane214]

what causes this algea to grow in the overflow?

 

[Tonyscoots84]

it could of just landed in that spot and took off on your overflow. Nutrients and phosphates could be a big cause of it spreading like that .. A good cleanup crew along with good husbandry and that algae won't last

 

[Tonyscoots84]

if you want to try something scrape it off and siphon it out at the same time. The more you remove the less likely its going to come back...

 

[lanacane214]

ok. thank you

 

[Tonyscoots84]

Can you give us a rundown of your tank from a - z.

Including
flow
carbon/phosban reactor/s
skimmer
water change schedule
are you dosing anything
lighting (how long are you running and what kind of lighting)
Fuge
Filter socks
and whatever else you can think of

 

[Elflaco112]

If you're using tap water, which my sister did at the beginning, it will cause the algae to grow that bad because of all the nutrients you're importing.

 

[piranhapat]

+1 are you using Ro/DI water. Over feeding causing high level of phosphate. You can run GFO in a reactor to bring down your phosphate. What is your Phosphate level? Remove it and do a water change.

 

[lanacane214]

No tap water, the only thing was the temp was really low like 76 for a couple of months since I raised everything is looking better