How to Get Mildew and Algae Off Your Fence or Siding

Patrick Bogans

Mildew and algae are partners in crime—or if you need a laugh, partners in "grime". But a gross-looking exterior isn’t a laughing matter. That green stuff living on your vinyl siding or wood fence won't clear up by itself, so you’ve got to do something about it! The longer you wait, the more wear and tear will occur. If it gets too bad, you’ll have to hire someone to replace the panels, and that’s just a headache.

Get rid of that icky stuff before it kills your curb appeal. If you're looking for answers, we get it and we’re here to help.

But first things first: what causes mildew and algae to grow in the first place?

Mildew only needs two things: moisture and darkness. It’s a simple formula. 

Take a look around: are your gutters leaking and dripping down your siding? Is your fence still wet from yesterday’s storm? If there’s a hint of moisture on your fence or siding, that’s an prime invitation for mildew to crash the party.

Since mildew thrives in dark places, keep a close eye on shaded areas. Mildew will show up anywhere that’s not facing the sun. It’s annoying, we know.

So, here’s the big question: how can you remove mildew and algae?

So you've got a few options:

  • Pressure wash the surface: Pressure washing works, but it could take hours. (And what happens if you don’t have a pressure washer?)
  • Make a homemade bleach mixture: Bleach can kill mold and mildew quickly, but be careful. If the bleach is too strong, you could ruin your fence or siding. (And who really wants to spend time scrubbing a fence?)
  • Paint over the mildew: If we’re being honest, that’s just cheating.

So, what do you do if you don't have a pressure washer or a ton of elbow grease? Don't worry, there's one more thing you can try.

Here’s how to clean the green stuff without breaking a sweat:

Try using an easy mold removal product. For instance, Gone! is an industrial strength mold, mildew and algae remover. It’s a one-step algaecide spray that you can apply directly to your siding or fence. You can spray and walk away; no scrubbing required. The formula is strong enough to melt away mildew and algae, but smart enough not to damage your drywall, vinyl siding, PVC fence or wood fence. (Cover up any nearby plants just in case.)

Make algae disappear with a magical cleaner.

Instead of scrubbing or pressure washing, just spray and walk away with an industrial strength cleaner. Gone! will clear away mildew, mold, and algae on vinyl siding, PVC fencing and wooden fencing. You can also use it as a drywall mold remover. It's that smart. 

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