Grease and rust removal stains on old trex deck

1

what is good to use on on trex to remove grease stains and a rust stain?

2

I’ve used naval jelly a few times for rust on composit decks. Old Trex might be tough because it’s so porous.

3

If I recall, @Racer is pretty knowledgeable about Trex

4

1st generation Trex? Walk away.