Author
Sandra Petrovic
Director of Maintenance, Beltway Pools
33 articles
Sandra Petrovic is the Director of Maintenance at Beltway Pools, overseeing the company's full range of pool care services across the DMV area. With deep expertise in water chemistry, equipment upkeep, and seasonal pool management, Sandra leads a team dedicated to keeping pools clean, safe, and running efficiently year-round. Her practical, no-nonsense approach to maintenance helps homeowners avoid costly repairs and enjoy their pools without the guesswork.
When to Order Your Winter Safety Cover in the DMV (Why Mid-July Matters)
Custom winter safety covers are measured, fabricated, and delivered to order — and lead times stretch fast once fall order queues build. Here's the DMV ordering timeline that has your cover ready by closing day.
Sandra Petrovic
Pool Safety for Dogs: Entry Ramps, Barriers, and Supervision Tips
A practical guide to pool safety for dogs, including safe entry and exit, supervision, barriers, water care, and after-swim routines for pet-owning pool families.
Sandra Petrovic
Cloudy Pool After Shock: Why It Happens and How to Fix It Fast
Shocked your pool and now the water is cloudy? Learn why it happens, how long shock takes to clear, and the fastest safe way back to clear water.
Sandra Petrovic
How Much Does Pool Maintenance Cost in Virginia, Maryland & DC?
See weekly, monthly, and annual pool maintenance cost ranges for Virginia, Maryland, and DC, including what Beltway Pools maintenance plans include.
Sandra Petrovic
Pool Party Prep Checklist: Water, Safety, and Equipment Checks Before Guests Arrive
A practical pool party prep checklist for DMV homeowners covering water clarity, chemistry, supervision, deck safety, equipment checks, weather, and post-party cleanup.
Sandra Petrovic
Pool Safety Cover vs. Pool Fence: Which Barrier Is Right for You?
Compare pool safety covers and fences for DMV backyards, including code review, daily use, child safety, cost tradeoffs, and when layered protection makes sense.
Sandra Petrovic
Pool Safety for Young Children: A Complete Guide for Pool-Owning Families
A child-specific pool safety guide for families with toddlers and young children, covering four-sided fencing, covers, alarms, supervision, swim lessons, CPR, and daily routines.
Sandra Petrovic
Backyard Pool Safety Rules Every Family Should Establish
A practical guide to backyard pool safety rules for families, covering supervision, guest expectations, barriers, swim readiness, emergencies, and daily routines.
Sandra Petrovic
Pool Alarms: Types, How They Work, and What to Look For
Pool alarms can add a useful warning layer, but they do not replace fencing, covers, supervision, or code-compliant barriers. Compare the main alarm types, standards, buying checks, and how to fit alarms into a safer backyard pool plan.
Sandra Petrovic
How Often Should You Clean or Replace Pool Filter Media?
Learn when to clean or replace pool filter media based on pressure, flow, and media condition for sand, cartridge, and DE filters.
Sandra Petrovic
Sand vs. Cartridge vs. DE Pool Filters: Which Is Right for Your Pool?
Compare sand, cartridge, and DE pool filters for water clarity, backwashing, upkeep, cost, and fit before replacing your pool filter.
Sandra Petrovic
What to Check After Heavy Rain Before You Swim Again
A practical post-storm pool checklist for DMV homeowners covering water clarity, chemistry, debris, equipment, runoff, and when to call a professional before swimming again.
Sandra Petrovic
DIY Pool Maintenance vs. Professional Service: A Real Cost Comparison
Compare DIY pool maintenance vs professional service for DMV homeowners, including real maintenance plan pricing, time tradeoffs, and when professional care pays off.
Sandra Petrovic
What Pool Chemicals Matter Most in Early Swim Season?
Learn which pool chemicals matter most in early swim season, what to test first, and how DMV homeowners should prioritize chlorine, pH, alkalinity, calcium, and stabilizer.
Sandra Petrovic
How Often Should You Test Your Pool Water During Swim Season?
A practical swim-season pool testing schedule for DMV homeowners, including daily chlorine and pH checks, plus what to test after storms, heat waves, parties, and problem water.
Sandra Petrovic
Weekly Pool Maintenance Checklist for Virginia, Maryland, and DC Homeowners
A practical weekly pool maintenance checklist for DMV homeowners, covering cleaning, water testing, equipment checks, filters, weather adjustments, and when to call a pro.
Sandra Petrovic
Pool Water Chemistry 101: A Practical Guide for Pool Owners
Pool water chemistry 101 for homeowners: what chlorine, pH, alkalinity, calcium hardness, and cyanuric acid do, plus practical testing and balancing tips.
Sandra Petrovic
Pool Opening Checklist: 7 Steps for Virginia and Maryland Homeowners
A practical 7-step pool opening checklist for Virginia and Maryland homeowners, covering deck prep, cover removal, equipment startup, cleaning, brushing, water balance, and reporting.
Sandra Petrovic
How to Get Rid of Pool Algae (and Keep It from Coming Back)
Green, yellow, or black algae in your pool? Learn how to treat active blooms safely, prevent repeat outbreaks, and keep summer water clear in Northern Virginia, Maryland, and DC.
Sandra Petrovic
The Cost of Neglecting Pool Maintenance
Skipping pool maintenance rarely saves money for long. Here's how water chemistry drift, algae, equipment wear, and missed winterization turn into bigger pool repair bills in Northern Virginia, Maryland, and DC.
Sandra Petrovic
Why Is My Pool Cloudy? Causes and Fixes for DMV Homeowners
Cloudy pool water has several causes — chemistry, filtration, or environmental. Here's how to diagnose and fix it the right way for pools in Virginia, Maryland, and DC.
Sandra Petrovic
What to Do When Your Pool Water Is Green After Opening
Green pool water after opening is almost always fixable without draining. Step-by-step treatment guide for Virginia, Maryland, and DC homeowners.
Sandra Petrovic
Pool Hydrotherapy: Can Swimming Help With Joint Pain and Recovery?
Learn how pool hydrotherapy may support joint comfort, recovery, and low-impact movement for homeowners in the DMV.
Sandra Petrovic
When Should You Open Your Pool in Virginia and Maryland?
Find out the right time to open your pool in Virginia, Maryland, and DC — based on water temperature, not the calendar — and avoid the common timing mistakes.
Sandra Petrovic
Putting the DMV on the Map: Beltway Pools Achieves Prestigious GENESIS Master Certification
Beltway Pools celebrates a historic milestone: Rob Moore and Dragan Kostadinovic are now the first GENESIS Master Certified pool builders in the entire DMV.
Sandra Petrovic
Year-Round Pool Maintenance Beats the Summer Rush
Why consistent year-round pool maintenance prevents costly repairs, extends equipment life, and lets you skip the summer service backlog.
Sandra Petrovic
Pool Maintenance Mistakes That Are Costing DMV Homeowners Thousands
Small pool care oversights add up to major repair bills. Here are the most common maintenance mistakes we see in Northern Virginia and Maryland — and how to avoid them.
Sandra Petrovic
Why You Should Invest in an Automatic Pool Cover
Automatic pool covers save energy, reduce evaporation, keep debris out, and act as the strongest safety barrier available. Here's what DMV homeowners need to know.
Sandra Petrovic
How to Get Your Pool Ready for Memorial Day Weekend
Memorial Day is the unofficial start of pool season in the DMV. Here's why you need to open at least 2 weeks early — and how to make sure your pool is ready.
Sandra Petrovic
Swimming for Fitness: How to Use Your Pool for Low-Impact Exercise
Build a simple swimming fitness routine at home with low-impact pool workouts that improve endurance, strength, and mobility.
Sandra Petrovic
How to Winterize Your Pool in Maryland and Virginia
How to properly winterize a pool in Maryland and Virginia — timing, chemical balancing, line blow-out, equipment draining, cover selection, and common mistakes to avoid.
Sandra Petrovic
How to Balance Pool Chemicals: A Homeowner's Guide
A practical guide to testing and balancing pool chemicals in Virginia and Maryland — pH, alkalinity, chlorine, CYA, and a seasonal chemistry calendar.
Sandra Petrovic
How to Prepare Your Pool for Summer
A complete spring pool opening checklist for Virginia and Maryland homeowners — equipment inspection, startup chemistry sequence, timing, and how to handle common opening problems.
Sandra Petrovic