Hello We bought the house so the painted bottom was no us. I thought it was painted. I also tried clr as I thought calcium as well but didn't work.

I have been quote $17k as they want to re do the whole thing Kind Regards Elise

So no need for a sealant ? Or the previous products recommended ?

Is this the only way to hire someone to redo the whole shower ? That can be very costly and looking to keep cost down. Is there another alternative? W ...