Scrape it off the walls would be the fastest way.![]()



Scrape it off the walls would be the fastest way.![]()
Alternative, you can use oto.

I used otto to remove this green spot algae but i think the best way still scrap it out is the fastest way
scrape.. that is the fastest and most effective.
If you are dosing your tank..try increasing the po4 dosage a little.
IF you're not dosing.. try reducing light a little...it doesn't get rid of it.. just makes it appear slower.

Agree.
GSA is a type of maintenance algae, you can't rid of it 100%, you'd have to do it regularly, manually.
You can if you dare to fail - Stan Chung

UV light???

UV is useless against green spot algae. And once it grows onto the plants. Its time to trim the infected parts away. Slow growing plants under high lighting are especially susceptible to green spot algae.
Eugene (^_^)
De Dwergcichlide Fanatiek
Now swimming: Plecos and Apistogrammas

Yup, UV may slow it down but useless once it's already on the glass/plants
You can if you dare to fail - Stan Chung

aw man, i got this problem too, alot of the leaves are showing it. i was hoping i could just leave and let live, will it spread to the other leaves of my plants?






Greenspot is easy to fix with good PO4 dosing and non-limiting levels of CO2 (good current in the tank is important as well due to boundary layer issues with aquatic plants).
Regards,
Peter Gwee
Plant Physiology by Taiz and Zeiger





bro, just buy a good razor scaper. Does the job effective. At most 30 mins every week or 2 during water change. I tried many other "easy" solution like buying snails, otto, shrimps etc before. Nothing beats razor and your fingernails![]()

Yup, would recommend that, buy a nice tool if you can afford it. Makes it more pleasurable rather than a chore.
You can if you dare to fail - Stan Chung



When i scrape those GSA away, i just let it sink to the tank or i use a net to catch them and throw it away?





suck away using your hose. you can do this when you are changing water.

Other types of algae will love it. Especially hair algae.
You can if you dare to fail - Stan Chung






Nonsense....I only had that algae less time after I mess up with CO2 and neglect the tank (tank overgrown with plants causing water current to drop and thus CO2 and nutrient mixing within the tank to suffer. Remember that plants cannot swim to find food!). I have to go in and hack off affected plants and only return those unaffected ones and making sure I don't loose up on the CO2/Nutrients and current and since then the hair algae has not come back for a very long long time. I do rich EI dosing by the way and that is not an issue for algae except organic NH4 generated by fish, critters and rotting plants.
Hair algae does grow very well once triggered in a planted tank even after you have corrected the CO2/nutrients/flow issue since it is a higher form of algae much like a plant. The only way to beat it is to remove it completely and never to induce it via poor CO2 and lean nutrient dosing (stunting plants and triggering the algae).
Regards,
Peter Gwee
Plant Physiology by Taiz and Zeiger
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