
Water bugs are an unwelcome sight in any swimming pool. These small, resilient pests thrive in stagnant or poorly maintained water, leaving pool owners frustrated. While they are not dangerous, their presence signals an imbalance in pool hygiene and can make swimming unpleasant.
This article explains how to get rid of water bugs, why they appear, and how to prevent them from returning. By the end, you will have the knowledge and confidence to keep your pool clean, healthy, and free from pests.
What Are Water Bugs?
Water bugs commonly found in pools are either backswimmers or water boatmen. While both are aquatic insects, they differ slightly:
- Water boatmen: Generally harmless and feed on algae and small organic particles.
- Backswimmers: Carnivorous insects that can bite, causing mild irritation.
Neither insect poses significant danger to humans, but their presence is often a sign of poor water quality or algae growth.
Why Do Water Bugs Appear in Pools?
Water bugs do not enter clean, well-balanced pools. They are typically attracted to:
- Algae blooms: Algae provide a food source for water boatmen.
- Insects and organic debris: Backswimmers feed on other bugs and thrive where smaller prey are present.
- Poor circulation: Stagnant water creates an ideal breeding environment.
- Unbalanced chemicals: Low chlorine or pH imbalances allow algae and bacteria to grow.
Understanding the cause is the first step in eliminating water bugs for good.
How to Get Rid of Water Bugs Step by Step
The process of removing water bugs involves both physical removal and improving pool conditions.
Step 1: Skim and Vacuum
Use a pool net to skim bugs off the surface. Follow up with a thorough vacuum of the pool floor. A manual vacuum works, but using a pool cleaner ensures more consistent results.
Step 2: Brush Pool Surfaces
Scrub walls, steps, and ladders with a stiff pool brush. This removes algae and egg deposits that may be clinging to surfaces.
Step 3: Shock the Pool
Add a pool shock treatment with a higher-than-normal chlorine dose. This kills algae, bacteria, and any remaining microscopic organisms that attract water bugs. Ensure the filter system runs for at least 24 hours after shocking.
Step 4: Balance the Water Chemistry
Test and adjust pH, alkalinity, and chlorine levels. Balanced water deters algae growth and prevents bugs from returning. Aim for:
- pH: 7.2–7.6
- Free chlorine: 1–3 ppm
- Alkalinity: 80–120 ppm
Step 5: Maintain Regular Cleaning
Continue skimming, brushing, and running the filter. A consistent routine reduces the chance of pests returning. Using the best pool cleaner designed for your setup can make this process easier and more effective.
Natural Methods to Control Water Bugs
For those seeking eco-friendly approaches, several natural strategies can complement chemical treatments:
- Introduce pool covers: Prevent insects from landing on the water overnight.
- Maintain circulation: Ensure pumps run daily to reduce stagnant areas.
- Reduce outdoor lighting: Bright lights attract insects that fall into the pool.
- Remove standing water nearby: Birdbaths or neglected buckets can serve as breeding grounds.
How to Prevent Water Bugs From Returning
Prevention is as important as treatment. Once you have cleared water bugs, adopt these habits:
- Keep your pool free of algae with routine brushing and proper chlorine levels.
- Run your filtration system daily to promote circulation.
- Use a reliable pool cleaner to remove debris before it becomes a food source for insects.
- Test water weekly to maintain balanced chemistry.
By staying proactive, you significantly reduce the chances of water bugs making a comeback.
When to Call a Professional
Most homeowners can handle water bug infestations on their own. However, if the problem persists despite proper cleaning, or if your pool chemistry is difficult to stabilise, professional help may be necessary. Pool service experts can perform deep cleaning, identify underlying issues, and provide tailored solutions.
Conclusion
Learning how to get rid of water bugs involves a combination of cleaning, shocking, and maintaining proper water balance. These insects are not harmful, but they are a clear sign that your pool requires attention. With consistent maintenance, a reliable pool cleaner, and regular monitoring, you can enjoy a clear, pest-free swimming environment all season long.