It sounds like mold. I suggest you wash it off good with the hose and let it sit. It will go away by itself. Anything underneath of the pool is probably dead, so using any chemicals will only slow the return growth.
removing panel inner door window makes repair has with tool
This is a fairly complicated process involving removing the lining of the case and the handle. Removing the tubes to find the parts that need repair and if plastic heating the parts to get them to restore to their original shape.
You do not repair a head gasket you replace it with a new gasket which requires removing the head.
You do not repair a head gasket you just replace it. Major repair involving removing the intake & exhaust manifold, and the heads.
You can repair a banister by first removing or stripping the nails, sanding the area and reapplying a fresh banister.
Do a goggle search find above ground pool repair k
No way can anyone tell you how to do this here in this space. It requires removing the intake and exhaust manifolds, and then removing the head. A very complicated job that requires skill, knowledge, and the proper tools. Buy a repair manual if you want to tackle this job.
You have a bad ground. There is an easy repair Log onto Lincolnsonline.com and search for ground repair and it will give you step by step repair procedure. Good luck
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Install a new filter
An above ground pool vinyl liner repair kit may work. You can get these locally at most hardware stores and even Wal-Mart.
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