I got my 24' AG pool installed on July 10th. I also have a SWG (Aqua Trol from Goldline/Hayward).
The floor of the pool is made of sand. The borders of the pool (under the track) is made of dust. No foam or special cover was used for the bottom.
A few days after I started swimming in the pool, I noticed many "engraved" wrinkles (or cracks) on the floor (bottom) of the pool. Their shapes look like lightning. Hera are few pictures I took:
After an image is loaded, click again on it to zoom
Could you tell me if those "engraved" wrinkles (or cracks) are normal?