D diyable613 New Member Joined Apr 13, 2023 Messages 1 Reaction score 0 Location Ontario Canada Apr 17, 2023 #1 My tank is 25 years old. I was inspecting it today and noticed some sort of substances all over the walls. It scrapes off easily and underneath seems to be solid concrete. Is my tank deteriorating or is this normal Attachments 20230413_151740.jpg 2 MB · Views: 0 20230413_151734.jpg 2.1 MB · Views: 0
My tank is 25 years old. I was inspecting it today and noticed some sort of substances all over the walls. It scrapes off easily and underneath seems to be solid concrete. Is my tank deteriorating or is this normal
T Twowaxhack Currently in the Lab conducting research Professional Joined Feb 9, 2021 Messages 14,052 Reaction score 6,573 Location United states Apr 17, 2023 #2 Looks kinda like grease.
Aggie83 Well-Known Member Joined Jan 19, 2022 Messages 70 Reaction score 26 Location Rising Star Texas Apr 18, 2023 #3 Have tank pumped and pressure washed
