How To Repair Rusted Above Ground Pool Wall. Try this, or evaluate the different answer. Rust on galvanized steel pool walls has always been a concern however with so many salt water pools now in operation, there has been an increase in the number of pools with extensively rusted surfaces.
The rust stain shown in the top photo only hints at the extent of damage under the shell.
Your above ground pool's filter pump circulates water throughout the pool and passes it through the filter to remove debris and impurities. It was easy to experiment as people facing an apparent pool replacement would. It is indeed true that aluminum pools will not rust over time but they do corrode and oxidize. Many pool owners over the years have attempted to bury or partially bury an above ground pool in the ground.