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pH Minus by EcoOne | Natural Water Alkalinity Decreaser for Hot Tub & Pool Application | Chlorine-Free, Phosphate-Free Pool Alkalinity Decreaser | Decreases Alkalinity & Neutralizes pH, 2 Lbs

5.0 (13) Write Review
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$18.99

$ 8 .99 $8.99

In Stock

1.Size:Alkalinity Plus+


About this item

  • BALANCE YOUR SPA’S PH NATURALLY - EcoOne spa pH Minus is a natural granular powder that works to gently lower pH in pool, spa, and hot tub water. Unlike other brands, ours contains just sodium bisulfate, so you’ll never have to worry about chemical residues or strong odors.
  • SKIN-FRIENDLY FORMULA - Our natural alkalinity decreaser for hot tub is 100% free of chlorine, phosphates, and other harsh chemicals that can irritate the skin and eyes. Step into your spa and experience the soothing comfort of perfectly balanced, neutral water with this pool alkalinity decreaser!
  • CRYSTAL CLEAR WATER - This alkalinity decreaser for hot tub use from EcoOne makes it easy to clear up cloudy water due to high alkalinity levels, so you can keep your spa looking its best. EcoOne spa chemicals cleanse, balance, and safeguard your spa’s plumbing, heating, and filtration systems.
  • HOW TO LOWER PH IN POOL OR SPA - Test the water pH level. If it’s higher than 7.8, dissolve 2 ounces of EcoOne pH Minus hot tub and pool alkalinity decreaser in a small amount of water. Add this mixture directly to your spa, then allow water to circulate for several hours and retest. Repeat until pH is between 7.4 and 7.8.
  • ABOUT THE BRAND - EcoOne spa chemicals include chlorinating tablets, water balancers, and spa cleaners for a full line of earth-friendly spa care products. Designed to keep your spa cleaner, sparkling, and safe for everyone—even those with sensitive skin.


Product Description

About EcoOne pH Minus

EcoOne pH Minus is an all-natural, granular powder that works to gently lower your spa’s pH and clear up cloudy water due to high alkalinity levels. Our simple to use pH treatment helps effectively maintain a proper chlorine balance, increasing the overall acidity of your water and helping protect your spa’s plumbing, heating, and filtration equipment. 100% free of chlorine, phosphates, and other harsh irritants, pH Minus will get your spa to a skin soothing neutral pH without all of the nasty chemicals that lead to itchy skin and red eyes.

Ingredients: sodium bisulfite.

For water that’s just right.

pH test strip in use

Perfectly Balanced Water

Increase the pH of your water and achieve a true neutral water in your spa.

Mother and daughter in hot tub

Safe for Your Skin

Using a proprietary blend of natural ingredients we never use chlorine, phosphates, or other irritant chemicals that can cause itchy skin or red eyes.

Hot tub water jets

No More Cloudy Water

pH Plus helps neutralize your spa’s water and leaves your skin feeling better and keeps your spa in tip-top condition.

pH Minus product image

How to use EcoOne pH Minus.

Before beginning, ensure your pumps are running and water is circulating.

Step one: Test the water pH level with your preferred pH strips.

Step two: If the pH is higher than 7.8, dissolve two ounces (four tablespoons) of EcoOne pH Minus in a small amount of water.

Step three: Add the pH Minus mixture directly to your spa.

Step four: Allow the water to circulate for several hours and retest.

Step five: Repeat this procedure until pH is in a desirable range (between 7.4 and 7.8).


BEP
2025-09-03 12:11:07
Works very well in our hot tube.
Jonathan Patton
2025-08-28 16:13:48
We live out in the country and our water is naturally high in PH and alkalinity. Even with showering prior to using the hot tub, I dealt with extremely cloudy water and aggravating high PH and alkalinity levels.It did take nearly half the bottle to get it balanced but now I only put in 1 or 2 spoonfuls after each use and it's remained crystal clear for weeks. I highly recommend this to anyone battling cloudy water.
Steven M. Kristensen
2025-08-13 10:28:12
It works very well!
Customer
2025-07-30 10:17:58
I work in the bio chemical industry and this is a quality product that works. Spa chews are always expensive…this one is worth it. I use high iron well water straight out of hose so this product is much needed!
B. Bell
2025-07-19 14:19:26
Seems to work as advertised will test water a bit more and see what happens.
Customer
2025-06-12 13:13:13
The packaging was well pu together and it works as described.
Grumpy Old Timer
2025-06-04 10:36:16
Worked as Advertised
Danielle K.
2025-05-16 17:50:11
I love this product for my pool, I buy some every year!
Love it
2025-04-15 10:33:55
I do love this for my hot tub and I will continue to buy it
Jim B
2025-03-15 16:15:58
Fast delivery for our swim spa. Works as expected. Simple to use.
Brandy-Lynn
2025-03-07 11:35:28
Does what you need and with less than the other product I was using. Definitely gunna keep with this brand and product
Thomas
2024-12-13 20:22:42
My wife and I like this brand. Sensitive skin, and no issues. Works as expected!
Love it
2024-11-28 15:22:51
Best products I ever bought from my hot tub. Tried other ones and I found these ones work the best doesn't put my hot tub out of whack highly recommend it