how to add borax to pool

Daniel Parker

3 min read

·

07-02-2025

1

0

Share

Maintaining a sparkling clean and properly balanced swimming pool requires regular attention. One crucial aspect of pool maintenance is managing the total alkalinity (TA) and pH levels. Borax, also known as sodium borate, can be a helpful tool for raising your pool's alkalinity. This guide explains how to safely and effectively add borax to your pool.

Understanding Borax and Its Role in Pool Chemistry

Borax is a naturally occurring mineral compound that acts as a buffer in your pool's water chemistry. It helps stabilize the pH level and prevents drastic fluctuations. While it primarily increases total alkalinity (TA), it can also slightly raise pH. Maintaining the correct TA and pH is vital for preventing corrosion of pool equipment and ensuring the effectiveness of your pool sanitizer (like chlorine or bromine). An unbalanced pool can lead to cloudy water, scaling, and even health issues.

When to Use Borax in Your Pool

You'll need to add borax to your pool when your total alkalinity (TA) levels are too low. Test your pool water regularly using a reliable test kit (liquid kits are generally more accurate than test strips). Aim for a TA level between 80 and 120 ppm (parts per million). If your TA is below this range, adding borax is the solution. Low TA can lead to pH fluctuations and other problems.

How to Add Borax to Your Pool: A Step-by-Step Process

Step 1: Gather Your Supplies:

• Borax (sodium borate) – Make sure it's specifically designed for pools. Don't use laundry borax, as it contains additives.
• Pool water testing kit – For accurate measurement of TA and pH before and after adding borax.
• Bucket – For mixing the borax.
• Protective gear – Gloves are recommended to protect your skin from the borax.

Step 2: Test Your Pool Water:

Before adding anything to your pool, test the water to determine the exact TA level. This allows you to calculate the precise amount of borax needed. Refer to the instructions of your test kit for accurate readings.

Step 3: Calculate the Amount of Borax Needed:

The amount of borax you need depends on the size of your pool and the difference between your current TA and the desired TA. Most borax products will provide instructions on dosage. Follow these instructions closely. You might find helpful online calculators that assist with this calculation based on your pool’s volume and your TA test results. Always err on the side of caution and add slightly less than the maximum calculated amount. You can always add more later if necessary.

Step 4: Mix the Borax:

Dissolve the calculated amount of borax in a bucket of water before adding it to the pool. This prevents the borax from clumping or settling at the bottom of the pool, ensuring even distribution. Stir the solution thoroughly until the borax is completely dissolved.

Step 5: Add the Borax Solution to Your Pool:

Slowly pour the dissolved borax solution into your pool, preferably near a return jet. This helps distribute the borax throughout the pool more evenly. Run your pool pump for at least 24 hours after adding borax to ensure proper mixing and circulation.

Step 6: Retest Your Pool Water:

After 24 hours, retest your pool water to check the TA and pH levels. Adjust as necessary, but remember to wait several hours between adding any pool chemicals. Never add multiple chemicals at once.

Safety Precautions When Using Borax

• Always wear protective gloves when handling borax.
• Avoid contact with eyes and skin.
• Store borax in a cool, dry place, away from children and pets.
• Follow the instructions on the borax packaging carefully.
• If you experience any irritation or allergic reaction, stop use immediately and consult a doctor.

Maintaining Proper Pool Chemistry

Adding borax is just one part of maintaining proper pool chemistry. Regular testing and adjustments are essential. Consistent maintenance will keep your pool water clean, clear, and safe for swimming. Remember to check your pH levels as well. A slightly high pH is usually tolerable, but consistently high or low pH levels can impact your pool's health. Consider consulting a pool professional if you’re experiencing persistent water chemistry issues. They can provide expert advice tailored to your specific pool and its needs. Regular professional maintenance can prevent costly repairs and ensure your pool's longevity.