If its already empty and you have the products, I'd buff it out. Even though you can't really see the scratches once the tank is full, I find that a smoother surface makes for easier tank cleaning.
I buffed the entire front of a 75 using a car polishing pad on a drill. The improvement to the surface was great. Perhaps over a larger than that area I could see a variation but I think with nuvo polish its pretty surface... That was my experience anyways using # 2 and 3..
I like Nuvo polish, can be bought at cantan (sp/) I can get address for you its a tanning supply place on boundry just down from hastings they sell it to clean the scratches from tanning bed acrylic.. If your interested google Nuvo polish acrylic and youll see lots of before and afters...
Lisa
You can find Nuvo Industry Plastic (should be able to locate a fw in YellowPage) or whatever names they all changed to now. They have stores in Richmond, Surrey, and Langley.
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