May in Portland is that funny little window where one day still feels like spring, the next day feels like summer, and suddenly everyone remembers they meant to get the backyard ready weeks ago
If you have a pool, hot tub, swim spa, or backyard hangout space, this is the month to get ahead of the rush. A little prep now can help you avoid cloudy water, algae problems, dirty filters, equipment surprises, last minute service delays, and the classic “why didn’t we do this sooner?” moment when the first warm weekend shows up.
At Classic Pool Spa & Hearth, we have been helping Portland area homeowners enjoy their pools, hot tubs, swim spas, and outdoor spaces since 1979. Whether you like to handle maintenance yourself or want help from our in-house team, this May backyard prep checklist will help you get summer ready with less stress.
In the Portland Metro area, May is usually the sweet spot for backyard prep.
The weather is warming up, pool season is close, and there is still time to get your water, equipment, and outdoor space ready before summer fully kicks in.
Getting started in May helps you:
Think of May as your backyard warm up. Clean it, test it, check it, and get it ready before everyone wants to use it.
1. Start With a Quick Backyard Walkthrough
Before you open the pool or fire up the hot tub, take a quick walk around your backyard. Look for leaves, branches, moss, standing water, loose or damaged covers, worn patio furniture, cracked surfaces, dirty walkways, or anything that looks like it had a rough winter.
Pay close attention to the areas around your pool, hot tub, swim spa, steps, ladders, covers, filters, equipment pad, patio, and deck. Portland weather can leave behind plenty of debris, and the sooner you clear it out, the easier it is to keep it from ending up in your water.
This simple walkthrough can help you spot small problems before they turn into expensive summer headaches.
2. Start with the basics:
Once the system is running, let the water circulate, clean or inspect the filter, brush the pool walls and floor, and vacuum as needed.
Your pool does not have to be perfect on day one. The goal is to get it opened correctly, circulating properly, and balanced before the weather really heats up.
Before adding a bunch of chemicals, bring in a water sample for professional testing so you know exactly where to start.
3. Get Your Pool Water Tested Before Guessing
This is one of the biggest tips we can give Portland pool owners: do not guess on pool chemicals.
Clear water does not always mean balanced water. Cloudy water does not always mean you need to throw every chemical in the garage into the pool. The right treatment depends on your actual water readings.
Professional pool water testing helps check important levels like:
Balanced pool water helps improve water clarity, protect pool equipment, reduce eye and skin irritation, prevent algae, prevent staining, prevent scaling and corrosion, and make chemicals work more effectively.
Classic Pool Spa & Hearth offers professional pool and spa water testing at our Portland area showrooms.
Bring in a water sample and our team can help you understand exactly what your pool or hot tub needs.
It is one of the easiest ways to start the season right.
4. Give Your Hot Tub a Fresh Start`
Hot tubs get a lot of love during the colder months in Oregon, which means by May, many spas are ready for a refresh.
Your hot tub may be due for a drain, clean, and refill if the water looks cloudy, smells off, feels foamy, has been harder to balance, or if you cannot remember the last time it was drained.
A proper hot tub refresh should include:
Hot tub maintenance is not just about making the water look clean. It also helps protect pumps, heaters, jets, plumbing, filters, and the overall comfort of the spa.
If you would rather not deal with the full drain and clean process yourself, Classic Pool Spa & Hearth offers hot tub cleaning and maintenance services to help keep your spa ready to enjoy.
5. Check Your Pool, Hot Tub, and Swim Spa Filters
Filters do a lot of the dirty work. If your pool, hot tub, or swim spa filter is clogged, worn out, or overdue for cleaning, your water can turn cloudy fast.
Check your filters for dirt and buildup, cracks or damage, weak water flow, high filter pressure, or water that will not stay balanced. These are all signs your filtration may need attention before summer use picks up.
A clean filter helps improve water clarity, support better circulation, make chemicals work better, reduce strain on your system, and keep your pool, hot tub, or swim spa easier to maintain.
If your filter is damaged, worn, or not performing well, it may be time to replace it before the busy season.
6. Test the Equipment Before Everyone Wants to Use It
There is nothing worse than finally getting a sunny weekend and realizing your pump, heater, jets, or controls are not working correctly.
Before summer arrives, turn everything on and make sure it is running the way it should.
For pools, check the pump, filter, heater, valves, skimmer baskets, returns, water flow, and any visible leaks.
For hot tubs and swim spas, check the jets, heater, control panel, cover, water flow, filters, warning messages, and any unusual sounds.
Watch for signs like weak flow, strange noises, leaks, error codes, water not heating, air bubbles, or higher than normal pressure. The goal is simple: find the issue now, not right before guests come over.
7. Clean Up the Patio, Pool Area, and Walkways
Your pool or hot tub might be the main attraction, but the rest of the backyard matters too.
May is a great time to clean patio furniture, wipe down tables, refresh cushions, sweep walkways, rinse off the pool deck, organize pool toys and supplies, check outdoor lighting, and clear paths to the pool, hot tub, or swim spa.
As you clean things up, ask yourself:
Once the space is clean and easier to use, take a quick look for anything that could become a safety issue when the backyard gets busier.
Make sure gates close and latch correctly, fences are secure, steps and ladders are sturdy, covers are in good condition, walking surfaces are not slippery, lights are working, railings are secure, and pool tools or chemicals are stored safely.
Look for anything slippery, loose, sharp, uneven, easy to trip over, or too close to the water. If kids, pets, or guests will be around the pool or spa this summer, this step is especially important.
Small updates can make a big difference. Clean furniture, fresh towels, organized pool supplies, clear walkways, and a safer setup can make the whole backyard feel more finished and ready to enjoy.
8. Stock Up on the Pool and Spa Supplies You Actually Need
Nobody wants to run out of chlorine, shock, test strips, filters, or water care products right when the weather gets nice.
Once your water is tested, stock up based on what your pool or spa actually needs. Common summer supplies include pool chemicals, spa chemicals, chlorine or sanitizer, shock, test strips, filter cleaner, replacement filters, skimmer baskets, brushes, nets, water care products, and hot tub cover care products.
Getting a professional water test first helps you avoid guessing, overbuying, adding the wrong products, wasting chemicals, or making water problems worse.
If you are not sure what to grab, bring in a water sample and ask our team. We can help you get the right pool supplies or hot tub chemicals for your specific setup.
9. Make a Simple Summer Maintenance Plan
The best backyard setups are the ones that stay easy to enjoy.
Once your pool, hot tub, swim spa, and outdoor space are cleaned up, create a simple weekly routine. Skim the pool, empty baskets, check water levels, test water regularly, clean filters as needed, wipe down spa surfaces, watch for equipment changes, keep patio areas clear, and restock chemicals before you run out.
A little consistency goes a long way. It is much easier to spend a few minutes each week than to rescue cloudy water, algae, or neglected equipment later.
And if you do not want to stay on top of everything yourself, Classic Pool Spa & Hearth can help with pool service, hot tub maintenance, water testing, pool supplies, spa chemicals, filter cleaning, and equipment support.
Do not wait until the first hot weekend to find out your water is cloudy, your filter is overdue, or your equipment needs attention.
Visit Classic Pool Spa & Hearth in Clackamas or Beaverton and let our local team help you get ready for summer.
Here is the easiest way to start:
• Bring in a water sample for professional pool or spa water testing
• Ask our team what chemicals or supplies you actually need
• Schedule service if you want help with pool opening, hot tub maintenance, filter cleaning, or equipment support
• Stop by our Clackamas or Beaverton showroom for expert advice from a local team that has been helping Portland area homeowners since 1979
From pools and hot tubs to swim spas and ongoing water care, Classic Pool Spa & Hearth is here to help you get your backyard ready before summer really gets going.