Dealing with the Dust: 5 Steps to Restore Your Pool After a Monsoon Storm

Jul 13
2 min read

Updated: Jul 22

It happens every July in Arizona. The sky turns orange, the wind howls, and a wall of dust sweeps across the valley. You wake up the next morning, look out the window, and instead of a sparkling blue oasis, your pool water is cloudy, dull, and full of dirt.

Don't panic, and don't throw random chemicals at it just yet.

When a haboob strikes, it dumps nitrogen, organic debris, and phosphates directly into your water—essentially throwing an all-you-can-eat buffet for algae. Here is your step-by-step battle plan to get your pool back to "Blue Water" status fast.

Step 1: Clean the Baskets First (Don't Flip the Switch!)

Before you turn on your pool pump, check your skimmer and pump baskets. They are likely choked with leaves, twigs, and heavy debris. Running the pump with clogged baskets restricts water flow and can burn out your motor. Dump them out first.

Step 2: Skim and Scoop the Heavy Stuff

Use a leaf net to scoop out as much large organic debris from the top and bottom of the pool as possible.

Pro Tip: Do not try to vacuum heavy debris through your filter system right away—you can clog your cartridges or sand instantly.

Step 3: Check and Clean the Filter

Dust storms pack filters with fine silt.

If you have a Cartridge Filter: Take them out and give them a thorough hose-down.
If you have a Sand or D.E. Filter: Give it a robust backwash cycle to clear out the trapped dirt.

Step 4: Test and Shock the Water (The Heavy Lifting)

All that dust has completely consumed your free chlorine.

Test the pH: Dust and rain usually drive your pH up. Bring it back down to the 7.2 - 7.6 range so your chlorine can actually do its job.
Nuke it with Shock: You need to hit the pool with a heavy dose of chlorine shock to kill off the organic contaminants before they bloom into green algae.
Add a Clarifier: Silt is often too fine for your filter to catch. A clarifier will clump the tiny dust particles together so your filter can grab them.

Step 5: Run the Pump Non-Stop

Turn the pump on and let it run for at least 24 to 48 hours continuously. Keep a close eye on your filter pressure gauge—as it filters out the debris, the pressure will spike, and you may need to clean or backwash the filter one more time during the process.

Don't Want to Sweat It Out in the July Heat? Let Us Handle It!

If the storm won this round, or if you're tired of spending your weekends balancing chemicals and scooping dirt, let the pros take over.

At Blue Water Pool Chemical Co., we provide elite weekly pool cleaning and chemical services to keep your pool pristine all year long—even during monsoon season. Our weekly service includes: