16 x 32 Inground Vinyl 21000, 2 returns, 1 skimmer, 1 main drain. Raypak Heater, Crystal Flo Sand Filter
If they're fiberglass you should sand and re gel coat them. You can get the gel coat at paint stores, auto places and especially boat repair places. You tube has quite a few videos on the process.
Ron- Kansas. IG fiberglass, Riviera 30 Freeform 13600 gallons,
EasyTouch 4 w/IC20 SWCG, Pentair Whisperflo 1hp, 2 speed 220 pump, Hayward ProGrid 4820 DE filter using Eco Klean instead of DE, 2 Savi Melody 12v 5 color LEDs, Raypack 266k btu millivolt heater, Arctic Armour Mesh custom safety cover (Total self Install) TF-100 test kit w/Magic stir.