@administrator Thank you for the reply- the deck turned out great thanks to your info and the wealth of information you have on the website. Huge th...

Tung Oil will do nothng for UV protection and will attract mildew. See here about new wood:

Thanks for the Defy recommendation. Any thoughts on Tung Oil? Also, any thoughts on when to do a first coat after a deck installation? I've heard to...

Defy Hardwod is very good. Penofin and Super Deck are very poor. Do not last and both turn black from UV. Very poor.

Since a solid stain, you should be able to just recoat.

Strip and brighten all with the Restore A Deck Kits and both additives: You may have to lightly sand after but hard to say if needed or not until yo...

"how flammable is a 20-year old heart redwood deck with a good coat of fully-cured sealer?" -MM "We have no idea how flammable wood is and why would ...

No issues doing it next Spring. We would wait.

As winter weather is approaching, should I leave it on for the winter and remove and start over in the spring? Anything wrong with this intention?

It is either mildew to rust. Either way you would need to strip and start over to fix.

This is one of the boards with the specks/spots visible. Thanks for your help.

We would need pictures. Also, you should have treated this as new wood and you over sanded too smooth: