My nana taught me this hack to get rid of green pool algae in 5 mins with 0 work. Here’s how it works

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🏊‍♂️ My Nana Taught Me This Hack to Get Rid of Green Pool Algae in 5 Minutes With Zero Work — Here’s How It Works

If you’ve ever stared at your backyard pool only to see it turned a murky shade of green, you know the frustration. Green algae can take over quickly, turning a refreshing oasis into a slimy swamp. Cleaning it usually feels like a huge chore — scrubbing walls, balancing chemicals, running pumps for hours. But what if I told you my nana taught me a simple hack that clears green algae in just 5 minutes, with almost zero effort?

Sounds too good to be true, right? But it really works — and it’s so easy you’ll wonder why you didn’t try it sooner.

Why Does Pool Algae Turn Green?

Before we get to the hack, a quick science lesson: algae thrive in pools when there’s poor circulation, low chlorine levels, and sunlight. These tiny plants multiply fast, feeding off dirt, debris, and unbalanced water chemistry.

The key to clearing algae is to kill it fast and prevent it from coming back.

The Secret Hack Nana Swears By

Here’s the simple trick my nana taught me, which she’s been using for decades:

Step 1: Add Pool Shock (Chlorine) Generously

• Buy a high-quality pool shock (calcium hypochlorite or lithium hypochlorite works great).
• Pour the recommended amount for your pool size directly into the water — but here’s the catch: add double the usual amount.

The high dose of chlorine kills the algae on contact, breaking down their cells faster than normal.

Step 2: Add a Flocculant (Algae Clumping Agent)

• Next, add a flocculant (also called a clarifier).
• This chemical binds tiny algae particles together into bigger clumps that sink to the bottom.

This step means you don’t have to scrub walls or spend hours running the filter to catch microscopic algae.