When should I open my pool in DFW?

In the Dallas-Fort Worth area, most pool owners should begin their spring opening process in late February to early March. Water temperatures typically reach the 60-65°F range by mid-March, which is when algae starts becoming active. Waiting until April means you're playing catch-up with chemistry. If you maintained winter service, your pool may already be swim-ready by March.

Do I need to drain my pool for spring opening?

In most cases, no. DFW pools run year-round and don't need to be drained for spring. If your water is excessively old (2+ years without partial drain), has very high TDS (total dissolved solids above 3,000 ppm), or cyanuric acid levels above 100 ppm, a partial drain (1/3 to 1/2) may be recommended. Never fully drain a plaster pool without professional guidance — the hydrostatic pressure can pop the shell.

How much does spring pool opening cost in DFW?

A professional spring opening service in DFW typically costs $150-$300, which includes equipment inspection, chemical startup, filter cleaning, and initial balancing. However, if you're on a year-round weekly maintenance plan (starting at $200/mo at Jerico's Pools), spring opening is included — because we never close your pool in the first place.

Spring Pool Opening Checklist for DFW Homeowners (2026)

Spring Pool Opening in DFW: It's Different Here

Most pool opening guides are written for the Northeast or Midwest, where pools are covered and closed for 4-5 months. In Dallas-Fort Worth, the reality is different: most pools never fully close. Water temperatures rarely drop below 40°F, equipment runs year-round (at reduced schedules), and many homeowners maintain some level of winter service.

That means “spring opening” in DFW is less about “removing the cover and filling the pool” and more about transitioning from winter maintenance mode to full summer operation. It’s a critical window — get it right and your pool will be crystal clear for the first swim of the season. Get it wrong and you’ll be fighting algae, cloudy water, and equipment problems all spring.

February: Early Assessment & Preparation

February in DFW is unpredictable — we can have 75°F days followed by hard freezes. This is the time for assessment, not action. Here's your February checklist:

Equipment Inspection

Pump: Listen for unusual noises (grinding, humming without running). Check for leaks at the seal plate. Verify the pump basket is clean and the lid o-ring is in good condition.
Filter: Note the filter pressure when clean (your “baseline”). If it’s a cartridge filter, plan for a replacement if the cartridge is more than 2 years old. Sand filters over 5 years may need new media.
Heater: If you have a gas or heat pump heater, test it now before you need it. Heater repairs take time — you don’t want to discover a problem in April when every pool tech is booked.
Automation/salt cell: Check your control system for error codes. Inspect your salt cell for calcium buildup — a clean cell is essential for proper chlorine generation.

Post-Freeze Damage Check

If DFW experienced a hard freeze during winter (like the 2021 and 2024 events), check all exposed plumbing, valve handles, and equipment housings for cracks. Freeze damage often isn’t visible until equipment is running at full pressure. Our leak detection service can identify hidden damage before it becomes a major problem.

March: Chemical Startup & Transition

March is when DFW pool chemistry transitions from “winter dormant” to “active growth.” Water temperatures typically cross the 60°F threshold in mid-March, which is the magic number — algae becomes active above 60°F.

Water Chemistry Baseline

Before adding anything, test your water comprehensively. According to the Pool & Hot Tub Alliance standards, your targets should be:

Free chlorine: 2-4 ppm (increase from winter’s 1-2 ppm)
pH: 7.4-7.6
Total alkalinity: 80-120 ppm
Calcium hardness: 200-400 ppm (DFW water tends to run high — 250-350 is common)
Cyanuric acid (CYA): 40-60 ppm (critical for Texas UV exposure)
Phosphates: Below 300 ppb

March Chemical Adjustments

Increase chlorine production: If you have a salt system, bump the output from winter levels (20-30%) up to 40-50%. For tablet feeders, add fresh tablets.
Shock the pool: One good shock treatment in mid-March kills any algae that’s starting to establish. Use calcium hypochlorite for a quick boost.
Adjust CYA: After winter dilution from rain, CYA levels often drop below 30 ppm. Add stabilizer to reach 40-60 ppm before the Texas sun starts burning through your chlorine.
Check alkalinity: Winter rain tends to lower alkalinity. If it’s below 80 ppm, add sodium bicarbonate to raise it.

Increase Pump Runtime

Transition from winter schedule (4-6 hours/day) to spring schedule (8-10 hours/day). As water temperatures rise above 70°F, you’ll need even more circulation. By May, most DFW pools need 10-12 hours of daily pump runtime.

April: Full Operation Mode

By April, your pool should be in full swing. Water temperatures in DFW typically reach 70-80°F during April, which means:

Pollen Season Management

April in North Texas means pollen — lots of it. Communities like Walsh Ranch and Heritage near open fields and new construction get hit especially hard. Expect:

Heavy yellow-green film on the surface daily
Clogged skimmer baskets requiring frequent cleaning
Increased filter pressure as pollen accumulates
Possible false “green pool” appearance from pollen (not algae)

Weekly professional service handles pollen season automatically. DIY pool owners need to skim daily and clean filters 2-3 times per week during peak pollen.

April Checklist

Verify chlorine is holding at 2-4 ppm consistently
Deep clean filter (full breakdown for cartridge/DE, extended backwash for sand)
Inspect tile line for winter scale buildup
Test and calibrate automation sensors if applicable
Check pool lights and replace burned-out bulbs
Inspect pool deck for winter heave or settling
Verify automatic cleaner is functioning

Common Post-Winter Problems in DFW Pools

Here are the issues we see most frequently during spring openings in the North Fort Worth area:

1. Cloudy Water After Winter

Usually caused by low chlorine and high phosphates from winter debris. Treatment: shock, phosphate remover, and filter cleaning. Clears in 24-48 hours with proper treatment.

2. Green Tint or Early Algae

If you reduced winter maintenance, algae may have gained a foothold. Catch it early and a single shock treatment plus algaecide handles it. Wait too long and you’ll need a full green pool recovery.

3. Scale Buildup on Tile Line

DFW’s hard water deposits calcium on the waterline during winter when evaporation is minimal. Our tile cleaning service removes scale and restores the waterline.

4. Equipment Running Rough

Winter temperature swings stress pump seals, o-rings, and gaskets. A pump that “sort of worked” all winter may fail when you increase runtime. Early detection through our equipment inspection saves you from emergency repairs in May.

When to Call a Professional for Spring Opening

You should consider professional help if:

Your pool was not maintained during winter
You see any green, cloudy, or discolored water
Equipment is making unusual noises or not running
You’re a first-time pool owner in DFW
Your pool has a saltwater system, automation, or water features
You experienced freeze damage during winter

At Jerico's Pools, our year-round maintenance plans ($200/mo Standard, $275/mo Premium) mean you never need a separate spring opening service — because we maintain your pool through winter and seamlessly transition to summer operation. It’s one of the biggest advantages of year-round professional service in a climate like DFW’s.