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Last-Minute Pool Opening Checklist: What You Can Still Do This Week

Written by
Orca Pacific
Published on
May 19th, 2025

Memorial Day weekend is just around the corner, and for many pool owners, it marks the unofficial start of summer. But what if you’ve put off your pool prep and now you’re scrambling to open it in time? Don’t worry — you’re not alone. This last-minute pool opening checklist will guide you through everything you can still do this week to make sure your pool is clean, safe, and guest-ready. Whether you're hosting a holiday party or just want a relaxing swim, this fast-track plan covers all the essential steps, including safety inspections, chemical balancing, and equipment checks. Let’s dive in.





1. Clear the Pool Cover and Store It Properly

Estimated Time: 1-2 hours


If you haven’t removed your pool cover yet, start here.


- Clear debris first: Use a broom or leaf blower to remove leaves, twigs, and dirt.


- Pump standing water: A submersible pump or pool cover pump will prevent dirty water from spilling into your pool.


- Remove anchors or water bags: Unhook them carefully and keep all hardware in a labeled container.


- Fold and clean the cover: Rinse off with a hose and a mild cleaner, let it dry completely, then store it in a rodent-free, dry location.


Pro Tip: If you see mold or algae stains, let the cover soak for 20 minutes with diluted pool cover cleaner before scrubbing.





2. Skim, Scrub, and Vacuum the Pool

Estimated Time: 1-2 hours


Before you touch any chemicals, remove visible debris and dirt:


- Skim surface debris with a net or skimmer.


- Brush the pool walls and floor to loosen algae or grime.


- Vacuum thoroughly to remove buildup from the bottom of the pool.


Skipping this step can throw off your water chemistry and overwork your filtration system, so don’t cut corners.





3. Reconnect Equipment and Turn on Systems

Estimated Time: 30-60 minutes


Make sure all equipment is reinstalled and running:


- Reconnect the pump, filter, and heater if they were winterized.


- Open all valves and prime the pump.


- Turn on the system and check for leaks, strange noises, or low pressure.


If something isn’t working, contact a pool service company ASAP — this is one of the busiest weeks for repair calls.





4. Test and Balance Water Chemistry

Estimated Time: 30-45 minutes


Good water balance is the key to a clean and safe pool:

- Use a pool test kit or take a water sample to your local pool store.


- Adjust the following levels:

- pH: 7.4–7.6

- Alkalinity: 80–120 ppm

- Calcium Hardness: 200–400 ppm

- Cyanuric Acid: 30–50 ppm

- Chlorine: 1–3 ppm


Pro Tip: If you’re short on time, consider using a pool opening chemical kit that pre-bundles the basics.


Click here to see Commercial Pool Opening Kit


Click here to see Residential Pool Opening Kit







5. Shock the Pool

Estimated Time: 15 minutes + overnight circulation


Even if the water looks clear, it likely contains bacteria or contaminants.


- Add a chlorine shock treatment to eliminate organic matter, algae, and residual winter buildup.


- Let the pump run overnight to circulate chemicals fully.


- Re-test chlorine levels in the morning before swimming.


Pro Tip: Use a non-chlorine shock if you plan to swim within 24 hours.





6. Clean or Replace Filters

Estimated Time: 20-40 minutes


Your filter has been out of commission all winter. Show it some love:


- Remove and rinse cartridges or backwash your sand/DE filter.


- Replace filters if they look damaged or haven’t been changed in 1-2 years.


Clean filters improve water clarity, efficiency, and reduce wear on your pump.





7. Safety Check: Fences, Gates & Ladders

Estimated Time: 20-30 minutes


Before anyone takes a dip, do a quick safety inspection:


- Check gates and fences for damage or loose latches.


- Inspect ladders, diving boards, and slides for rust, cracks, or stability.


- Replace broken drain covers and ensure VGBA compliance.


This is especially important if you’re opening your pool for guests or kids.





8. Stock Up on Pool Supplies

Estimated Time: 10-20 minutes (online or in-store)


If you’re running low on essentials, don’t wait until the weekend:

- Pool shock

- Chlorine tablets or granules

- Algaecide

- Test strips or test kit reagents

- Skimmer nets and poles

- Sunscreen and pool-safe bug spray


Need a one-stop shop? Visit Orcapacific.comto restock everything you need before Memorial Day.





9. Pool Accessories & Furniture Setup

Estimated Time: 1-2 hours


Make your poolside area comfortable and inviting:


- Rinse off pool chairs and umbrellas


- Inflate pool floats and toys


- Set up shade tents or canopies


- Wipe down tables and grills


Create an outdoor space that’s not just clean, but guest-ready.





10. Schedule a Professional Pool Inspection (If Needed)

Estimated Time: Call ahead — slots may be limited


If you spot leaks, pump problems, or cloudy water that won’t clear up, get help from a licensed technician. Many service providers offer:


- Start-up services


- Chemical balancing


- VGBA drain inspections


- Equipment repair or replacement


Orca Pacific provides fast, reliable pool opening service and can squeeze in last-minute appointments (when available). Contact us today!





Final Thoughts: A Clean, Safe Pool Is Still Within Reach

Opening your pool late doesn’t mean it has to be chaotic. With this last-minute pool opening checklist, you can prioritize the most important steps and still enjoy a crystal-clear, safe swimming pool this weekend. Remember:


- Focus on cleaning, equipment, and chemistry


- Don’t skip safety inspections


- Use shortcuts like pool opening kits if time is tight


Get ahead now, so you can relax later. Happy Memorial Day and welcome to pool season!



✔️ Click here to schedule inspections and maintenance