A very stubborn limescale to deal with, what now ?

Katze

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Hello everyone!

After removing silicone stains from my 300l tank, I still have a lot of limescale.
Which is just enough to be seen and it is very irritating.
I have tried: citric acid, vinegar (20%), acetone, ethanol... with an algae scraper, nothing really worked.
What would you try ?
 

Portallands

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Hello everyone!

After removing silicone stains from my 300l tank, I still have a lot of limescale.
Which is just enough to be seen and it is very irritating.
I have tried: citric acid, vinegar (20%), acetone, ethanol... with an algae scraper, nothing really worked.
What would you try ?
I have cleaned sea shells with muriatic acid before. just be really careful while using it but it can dissolve any calcium build up.
 
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Katze

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I have cleaned sea shells with muriatic acid before. just be really careful while using it but it can dissolve any calcium build up.
Yes, that's what I was thinking about, but I am worried about the silicone seals of the tank, won't the acid harm it ?
 

Jesse Sunday

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Yes, that's what I was thinking about, but I am worried about the silicone seals of the tank, won't the acid harm it ?
Seconding this question... I have a used tank (and especially Sump) that I'd like to have perfect before I fill and start usingit. And I don't need any additional issues with the already prone to issues Red Sea 350v3. :p

Thanks!
 

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