Getting rid of stubborn Algae stains on the tank glass

[Validator]

Hi all, I am using a flipper magnet cleaner to clean my glass.  My daughter also helps with the tank cleaning occasionally.  I noticed that there are some stubborn algae stains that are harder to come out.  Any advice as to what I can do?  I thought of getting those laundry brushes with the stiff plastic bristles, but worried what it would do to my tank silicon joints and whether it would scratch the glass.

[src]

Try those wapper plate type glass scrubber with thin razor blade.. these are very effective in cleaning those hard to remove algae

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[Validator]

Hi SRC, yes I am using one with the metal blade, but some parts of the glass I think the algae has settled in quite hard.  Keep running the flipper over it also some does not want to come out.

[Harlequinmania]

Did u try this type before?

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[Validator]

Hi Harleyquinmania,

I have been using this.

https://www.freshnmarine.com/products/flipper-aquarium-algae-magnet-cleaner?_pos=6&_sid=6321367d6&_ss=r

 

I could try the one you recommended but I am not sure how strong I can exert on the stick.  Kinda regret getting such a deep tank.  I think if I ever restart the tank I would do a shallower lagoon.

[Maipian80]

Hi Harleyquinmania,
I have been using this.
https://www.freshnmarine.com/products/flipper-aquarium-algae-magnet-cleaner?_pos=6&_sid=6321367d6&_ss=r
 
I could try the one you recommended but I am not sure how strong I can exert on the stick.  Kinda regret getting such a deep tank.  I think if I ever restart the tank I would do a shallower lagoon.

Did u try this type before?

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I second this recommendation by he. Easily scrap off algae and even coraline algae. Highly recommended

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[Validator]

Thanks Maipan, will look out for it when I go to an LFS.