Daisy
Last Updated: Jul 18, 2026
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Increases Water Hardness
Low calcium hardness level can cause corrosive water
Prevents the staining or etching of your pool's surface
Ideal Calcium Hardness range 200 - 400ppm
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Raises low pH in swimming pool water
Reduces eye irritation for swimmers
Guards against corrosion
For best results, use with the Clorox Pool App
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| BackyardPoolSuperstore | 9.80 | ❌ | ❌ | ❌ |
BRAND NEW PACKAGING! New resealable bag design allows chemicals to be easy to store & use!
ACTIVE INGREDIENT: Cyanuric Acid 100%
STABILIZER (cyanuric acid) helps protect chlorine in pool water from dissipation caused by sunlight. Use if intense sunlight causes difficulty in maintaining a chlorine residual.
DOSAGE: Add 1 lb to raise 10ppm per 10,000 Gallons
See Package for Instructions on Use
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Pool Supply World | 9.63 | ❌ | ❌ | ❌ |
Use when total alk. drops below 80 ppm.
Keeps your pH and Chlorine from becoming unstable Granular form, easier to apply into your water
Compatible with pool, spa, and hot tub
Dosage: 1-1/2 pounds per 10,000 gallons will raise the alk. level by approximately 10 ppm
Retest water after every dosage added, you can swim after 4 hours of circulation 5 lb bag.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
BENEFITS: Ensures that your swimming pool has a balanced pH so you can enjoy splashing in the water all season long in healthy water
USE: Apply directly to the pool regularly for easy DIY pool care; For best results, use with other HTH pool care products
COMPATIBILITY: Great for vinyl-lined pools and saltwater systems
FEATURES: Raises pH and total alkalinity; Improves swimmer comfort; Prevents stain and scale
INCLUDES: One 4-lb container of HTH pH Up for your swimming pool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Crystal Branches | 9.65 | ❌ | ❌ | ❌ |
✅ Controls the pH level of water in swimming pools & hot tubs
✅ Fresh Acid Has Higher Potency Always Buy Direct From Manufacturer (CPDI)
✅ Brightens concrete & masonry suraces
✅ Vapor Reduction Technology reduces up to 90% of harmful vapors compared to standard muriatic acid
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Doheny's Pool Supplies Fast | 9.86 | ❌ | ❌ | ❌ |
Swimming Pool Supplies: The ideal addition to your swimming pool supplies and pool chemicals, as the perfect pool starts with establishing the proper pH levels
Pool Alkalinity Increaser: Balanced alkalinity levels (80-120 ppm) allow you to better control your pH levels; always adjust your alkalinity levels before your pH levels
Benefits of Balanced Alkalinity: Increase the alkalinity of your pool to reduce surface etching, eye irritation, and skin dryness
Ingredients: Contains Sodium Bicarbonate or "Soda Ash"
Packaging: 5- or 10-lb ready-to-use pouches or 25-pound bucket available
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Save More On Pool Supplies | 9.77 | ❌ | ❌ | ❌ |
REDUCE CHLORINE LOSS - Rx Clear Conditioner and Stabilizer helps protects chlorine from sunlight and prevents chlorine loss caused by the sun's rays. Adding stabilizer when opening your pool for the season greatly increases chlorine effectiveness and will actually cut chlorine consumption.
COST EFFICIENT - Customers save money when they use Rx Clear Conditioner and Stabilizer. When you use this product for your swimming pool, you can cut chlorine consumption by up to 25%. Protecting your chlorine from burning off under the sun's rays with a chlorine stabilizer means longer lasting sanitation. Longer lasting sanitation means more splashes, more dives, and more pool fun!
EASY TO USE - Add this product to your pool in the spring and you will improve chlorine effectiveness all season long. Use a reliable test kit to determine the stabilizer concentration in the pool water. Add directly to the skimmer. Be sure the filter is clean. Recirculate the water continuously for 24 hours to dissolve completely.
QUICK DISSOLVING - This product disperses rapidly to establish a chlorine protection quickly. It stabilizes pool water and extends the life of the disinfectant. Use 2 Lbs per 10,000 gallons and add stabilizer based on water replaced, not total gallon capacity.
KEEPS POOLS CLEAN - Rx Clear is the ultimate prescription for a crystal-clear swimming pool. Steer clear from the threat of unwanted growths and unsafe pH levels. Rx Clear is your one-stop shop for all the chemicals your pool needs this summer. Rx Clear delivers fast-acting chemicals with powerful results.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Moofin | 9.87 | ✅ | ✅ | ✅ |
BENEFITS: Ensures that your swimming pool has a balanced pH so you can enjoy splashing in the water all season long in healthy water
USE: Apply directly to the pool regularly for easy DIY pool care; For best results, use with other HTH pool care products
COMPATIBILITY: Great for vinyl-lined pools and saltwater systems
FEATURES: Lowers pH and total alkalinity; Improves swimmer comfort; Prevents stain and scale
INCLUDES: One 5-lb container of HTH pH Down for your swimming pool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Pacific Sands, Inc. | 8.79 | ✅ | ✅ | ✅ |
NEUTRALIZE WATER PH: Designed to balance your pool and spa naturally. EcoOne pH Plus+ is a simple professional water balancer powder. Safe and all-natural, pH Plus increases the total alkalinity, reducing acidity in your hot tub or pool to bring water to the perfect neutral pH level, protect plumbing & plaster, and keep your water crystal clear.
GENTLE & SAFE: Compatible with all in-ground and above-ground pools and spas. EcoOne natural spa chemicals are 100% free of chlorine, phosphates, or other irritant chemicals that can cause itchy skin or red eyes. With pH Plus+ neutralizer you never have to worry about leftover granules, foaming, or corrosive build-up.
BALANCING SPAS: pH Plus+ simplifies hot tub pH control maintenance. For best results, ensure pumps are running. Test the pH level with pH strips. If pH is lower than 7.2, add 2 ounces of pH Plus+, pre-dissolved in water. Allow spa to circulate for several hours, then retest. Repeat as needed.
PERFECT POOL PH: The ideal pH for pools is 7.2 - 7.8. Using the same procedure as when balancing spa water, add 1 to 2 pounds of pH Plus+ per 10,000 gallons of water as needed to maintain the perfect pH range in your swimming pool.
EARTH-FRIENDLY PRODUCTS: We manufacture household and commercial cleaners and spa chemicals that work as well or better than the big brands but are eco-friendly, biodegradable, and healthy for you and your family. Our innovative products are never tested on animals, use recyclable packaging, and feature only premium, environmentally friendly ingredients.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
BENEFITS: Ensures that your swimming pool has a balanced calcium hardness so you can enjoy splashing in the water all season long in healthy water
USE: Apply to pool following instructions for easy DIY pool care; For best results, use with other HTH pool care products
COMPATIBILITY: Great for vinyl-lined pools and saltwater systems
FEATURES: Raises calcium hardness; Reduces corrosiveness of water with low calcium; Avoid damage to pool surfaces and equipment; Resealable bag
INCLUDES: One 4-lb container of Calcium Hardness Up granules for your swimming pool water
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
BENEFITS: Ensures that your swimming pool has a balanced Alkalinity so you can enjoy splashing in the water all season long in healthy water
USE: Apply directly to the pool regularly for easy DIY pool care; For best results, use with other HTH pool care products
COMPATIBILITY: Great for vinyl-lined pools and saltwater systems
FEATURES: Raises total alkalinity; Improves swimmer comfort; Stabilizes pH levels
INCLUDES: One 5-lb container of Alkalinity Up granules for your swimming pool water
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| BackyardPoolSuperstore | 9.80 | ❌ | ❌ | ❌ |
Alkaline increaser for pool and spa, available in resealable bags for easy storage.
Pool alkaline increaser active ingredients: Sodium Bicarbonate
Total alkalinity helps stabilize the pH balance in your pool, reducing maintenance and preventing eye and skin irritation.
Directions: Spread over the deepest part of the pool and circulate pump a minimum of 4 hours.
Dosage: 1.5lbs per 10,000 gallons to raise total alkalinity level 10ppm.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Doheny's Pool Supplies Fast | 9.86 | ❌ | ❌ | ❌ |
Swimming Pool Supplies: The ideal addition to your supply of pool chemicals, as every perfect pool starts with the proper pH levels
Multi-Purpose pH Plus: This pH increaser for pools helps increase the effectiveness of all your other pool chemicals
Benefits of Properly Balanced pH: Our pH plus helps reduce equipment corrosion, eye irritation, and skin dryness
Ingredients: Sodium Bicarbonate or "Soda Ash"
Packaging: Available in convenient-to-use 5- and 10-lb pouches or 25-lb bulk bucket
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Clearview Fireplace & Patio | 9.87 | ✅ | ✅ | ✅ |
Poolife pH Plus balancer raises the pH of swimming pool water
The ideal pH range is 7.2-7.6.
Maintaining a pH level below 7.2 keeps your sanitizer from working effectively and can cause equipment corrosion, eye irritation and skin discomfort.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| PACE RESEARCH LTD | 5.40 | ✅ | ✅ | ✅ |
CircuPool RJ30 PLUS Complete Salt Water Chlorination System for Swimming Pools
Easy Install. Works with any brand pump and filter. USA Titanium cell. 220 or 110 volt
Features OLED digital display, heavy-duty construction, and premium clear salt cell.
Industry leading seven year limited warranty;No DYI (Do It Yourself) warranty penalty
2021 model with 1.5 lb output. Comparable to other 40k gallon rated systems
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Pool Supplies Superstore | 9.83 | ❌ | ❌ | ❌ |
Natural cyanuric acid reducer powder by disintegrating it at a molecular level and causes no adverse effects on pools
Helps eliminate chlorine lock due to high cyanuric acid levels and allows sanitizers to be more effective
Non-allergenic, non-polluting, and leaves no residue with a mildly sweet and earthy odor feature
Suitable for outdoor commercial and residential swimming pools with a 50,000-gallon water capacity
Includes a 16 ounce bag; Micro-organisms (biosafety level 1): 0.1-percent to 1.0-percent; Dextrose (monohydrate): 95.0-percent to 99.0-percent
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Save More On Pool Supplies | 9.77 | ❌ | ❌ | ❌ |
pH BUFFER - Helps prevent PH bounce, "locks" pH in the ideal range by neutralizing acids like acid rain. It boosts up the effectiveness of your pool water cleaner and is user friendly. Add 1 Lb per 8,000 gallons to raise 10 ppm. Maintain total alkalinity to 80 to 120 ppm.
ALKALINITY CONTROL - Alkalinity Control is used when pH levels fluctuate widely over a short period of time. A low total alkaline reading is also indicative of corrosive pool water, a blue or green cast to the water and difficulty in holding chlorine residuals. Low alkalinity can cause equipment and plaster damage. If the alkalinity is too low or too high, the pH of the pool water will be difficult to maintain in the proper range. This product is used to increase the total alkalinity in swimming
WATER CHEMISTRY - One of the most important aspects of proper swimming pool care involves the maintenance of balanced water chemistry. When swimming pool chemicals are not in balance, swimmers can be at risk of contracting illnesses and suffering from skin irritation, the water can turn dull and cloudy, and pool equipment and surfaces can become damaged.
REDUCES IRRITATION - This product will quickly correct acidic water conditions in your pool, spa, or hot tub. It will slow the rapid dissipation of chlorine caused by acidic water that will help reduce eye irritation or redness, and is soft on the skin helping to reduce itchy or irritated skin after a swim.
PREVENTS CORROSION - Rx Clear Swimming Pool Alkalinity Plus helps stop corrosion of metal surfaces such as light fixtures, railings, ladders, screws, pool cover components, pool heater components, and metals in your pump or filter. Also prevents etching, pitting, and delamination of concrete, plaster, gunite, shotcrete, and fiberglass pools.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
BENEFITS: Increase and balance the pH levels in your swimming pool water for beautiful clarity, improved chlorine efficiency and overall healthy swimming
PREVENTS STAIN & SCALE: Balanced pH levels help prevent corrosion of pool surfaces
IMPROVES SWIMMER COMFORT: Properly balanced pH levels help prevent eye and skin irritation
SWIM IMMEDIATELY: Once pH is property balanced, swimmers can jump right back in the water; Compatible with all swimming pools
YOU'RE ALL CLEAR WITH HTH: For best results, use HTH 6-Way Test Strips weekly to test, balance and maintain pH levels between 7.2 and 7.8 ppm; Features a resealable pouch for easy storage
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Clearview Fireplace & Patio | 9.87 | ✅ | ✅ | ✅ |
BENEFITS: Raises spa water to the recommended level of calcium hardness to prevent corrosion
USE: 1 lb per 10,000 gallons to raise calcium hardness by 10 ppm; Maintain levels between 180-250 ppm for vinyl pools and 200-275 ppm for plaster pools
COMPATIBILITY: Works with chlorine and bromine sanitized pools
FEATURES: Chlorine free; Concentrated formula
INCLUDES: One 3.5-lb container of Baquacil Calcium Hardness Increaser
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SCIHTE | 4.96 | ❌ | ❌ | ❌ |
Wall-mounted Design For Easy Installation.
Equipped With BNC Composite Electrode At The Same Time, It Is Convenient To Replace The Electrode All Over The World.
Use To Measure The PH / Of Solution, Separates PH And Electrode, Precise Measurement.
Wide Range Of Use, Apply In Water Sources, Aquarium, Hydroponics, Spas, Swimming Pools And Other .
Application: Water Quality Analysis Instrument.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Foxglover | 7.55 | ❌ | ❌ | ❌ |
✅ Calcium Chloride (Dry Granules) commonly known as Calcium Hardness Increaser, will raise calcium hardness levels in commercial and residential swimming pools and spas.
✅ DOSING INSTRUCTIONS: 1.1 lb. per 10,000 gallons will raise CH levels by 10 ppm.
✅ OTHER USE(S): ICE MELT, DUST CONTROL, CONCRETE ACCELERATOR
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Hth | 5 |
| Pool Mate | 4 |
| Rx Clear | 4 |
| Clorox Pool&Spa | 3 |
| Cpdi | 2 |
| Doheny's | 2 |
| In The Swim | 2 |
| Puri Tech | 2 |
| Baquacil | 1 |
| Bio-Active Products | 1 |
We've carried out a comprehensive analysis of 42,385 reviews on pool balancers, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select pool balancers priced around $89.35, with top brands including and
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