The last resort: Dino X

[AquaLogic]

OP has not been on the site since 2022

He might get an e-mail notification and pop back in. Never know.

 

[Screwgunner]

I did a bubble scrub and hydrogen peroxide dosing. After having it for a year I am free of it.

 

[bruceosterberg]

Sponge excel for silicates dosing.
just keep in mind you may dealing with more than one stain.

How much sponge excel did you use per gallon please.

 

[bruceosterberg]

How much sponge excel did you use per gallon please.