No, you strip and brighten to remove most stains but that depends on what you have on the deck. Post some pictures for proper advice.

@administrator Well I would need to sand to remove the stain right? How can I prevent the mold from returning? My original issue other than the...

You should stop the sanding now as it caused more issues then good with deck staining. If you have a stain on the wood then remove that stain now. Let...

To remove, use the Restore A Deck Stripper Kit with the Thickening Gel Additive: For the stain, look at one of these brands:

We typically do not bother testing. Most stains can be applied 48 hours after prep or rain without issues but this does, of course, vary based on weat...

See here about new wood:/p> Try a solid color stain. Look at one of these brands:/p>

Use large poly tarps to cover underneath. Plastic sheeting for the house.

That would depend on the brand and type but in general, you are better using a brush or stain pad to minimize the overspray.