[Mikey2k200]

Bleach, vinegar, tiles, crl?...nothing is working. Every other part of my shower is nearly pristine but this black line will NOT go away. Any advice or guidance would be greatly appreciated. Thank you guys in advance!

 

[bdjanitorial]

Mikey..... I have used this mold control product and it has worked for me. Concrobium makes several Mold Control products. See the link below. Brad BD Janitorial
Concrobuim Mold Control

 

[smallgirl30]

oh... I have the same problem right now...