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Hy-Clor Alkalinity Increaser pH Buffer 4kg Sodium Bicarbonate Soft Pack

★★★★★
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Hy-Clor alkalinity increaser is a 4kg sodium bicarbonate pH buffer that raises the total alkalinity of your pool water, helping stabilise pH so it stops swinging out of range.

  • Pack size: 4kg soft pack
  • Active ingredient: sodium bicarbonate
  • Recommended use: raise alkalinity and control fluctuating pH in swimming pools
  • Compatibility: suits all pool linings

Total alkalinity acts as a buffer for pH, so lifting it makes your pH easier to hold steady and helps chlorine work efficiently. This product raises alkalinity while remaining suitable for all pool linings, and the convenient soft pack makes it easy to pour and dose. Add it as directed and retest to keep your water balanced.

More about this product

Hy-Clor 4kg Alkalinity Increaser pH Buffer raises the alkalinity of pool water, which helps control fluctuating pH levels. It is compatible with all types of pool linings and comes in a convenient soft pack that is easy to pour.

  • 4kg soft pack
  • Sodium bicarbonate
  • Raises alkalinity and steadies pH
  • Suitable for all pool linings

Questions & Answers

Does pH buffer raise alkalinity?

Yes. This pH buffer is an alkalinity increaser, so it raises the total alkalinity of the pool water.

Does alkalinity increaser raise pH?

Raising total alkalinity helps stabilise pH and can nudge it upward, but its main job is buffering pH so it stays steady rather than swinging.

Is pH increaser the same as alkalinity increaser?

No. This product raises total alkalinity (a buffer for pH); a dedicated pH increaser is used to lift pH directly. They do related but different jobs.

What is the active ingredient?

It is sodium bicarbonate.

What size is the pack?

It is a 4kg soft pack.

Is it safe for all pool surfaces?

Yes. It is compatible with all types of pool linings.

Standard Shipping Australia-wide
Ships in 1-2 business days from our Australian warehouses
30-Day Returns
Change your mind? Return within 30 days for a full refund. Item must be unused and in original packaging.

Customer Reviews

4.3 ★★★★☆ 82 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
J
James W. 📍 Melbourne VIC
★★★★★
3 days ago
✓ Verified Purchase

Best buy of the year

Ordered Thursday and had it by Saturday. Packaging was really good — nothing moved around. Works exactly as expected and the price was well below what I saw in stores.

E
Emma T. 📍 Brisbane QLD
★★★★★
5 days ago
✓ Verified Purchase

Fast delivery — impressed

Love my Hy-Clor Alkalinity. Does the job perfectly and the price was unbeatable.

L
Liam O. 📍 Perth WA
★★★★★
1 week ago
✓ Verified Purchase

Exactly as described

Always buy Hy when I can — consistent quality and you know what you are getting. This one is no different. Fast dispatch and arrived in perfect condition.

O
Olivia R. 📍 Adelaide SA
★★★★★
1 week ago
✓ Verified Purchase

Would buy again for sure

Was a bit skeptical ordering online but really glad I did. The item arrived in a sturdy box — nothing rattled or was damaged. Set it up in about 10 minutes and has been working perfectly since. Compared to what I saw in store I saved a solid amount. Will definitely be back.

N
Noah B. 📍 Gold Coast QLD
★★★★★
1 week ago
✓ Verified Purchase

Good product for the price

Fast delivery to regional WA. Solid product and works exactly as described.

C
Charlotte B. 📍 Canberra ACT
★★★★★
2 weeks ago
✓ Verified Purchase

Exceeded my expectations

Bought this as a birthday present and the person loved it. Arrived the day before I needed it which was perfect timing. Great service from SuperSaver AU — really happy.

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