Best Hardness Increaser

Arm & Hammer Pure Baking Soda 432 Ounce Pack of 2

RESTORE IDEAL SWIMMING CONDITIONS: Pool & Spa pH Increaser raises pH in pool water. Also known as sodium carbonate or soda ash, this product will....
NON-CORROSIVE GRANULAR FORMULA: Use soda ash instead of using splashy chemicals to fix pool pH. Simply measure and pour into your pool for....
INCREASES CHLORINE EFFECTIVENESS. Sodium carbonate stabilizes chlorine and other pool chemicals, stopping skin and eye irritation for swimmers..
PROTECTS YOUR POOL EQUIPMENT AND LINING: Pool & Spa pH Increaser stops corrosion of equipment, etching of plaster, and pool discoloration from....
30-DAY MONEY-BACK GUARANTEE: We value our customers, and we stand behind all of our products, 100% with no questions asked. If you are not pleased,....

In the Swim alkalinity increaser is a simple way to keep your pH and chlorine levels healthy..
Alkalinity in pools helps prevent sudden changes in pH levels. If your pool lacks the right amount of alkalinity, pH levels can swing from low to high or high to low. This is also known as “pH bounce”..
If pH levels drop below 7.4 or if your alkalinity levels drop below 80 ppm, you may need to look at using In The Swim’s alkalinity increaser to get your chemical balance back on track..
A high pH level (above 8) can put swimmers at risk of skin rashes, while a low pH level (under 7) can sting swimmers’ eyes..
A healthy alkalinity level ranges between 90 and 120 ppm. Dosage: 1-1/2 pounds per 10,000 gallons will help raise your level roughly 10 ppm..

CONTAINS: SpaGuard Chlorinating Concentrate 2lb, LeisureQuip ScumBoat Scum Absorber, SpaGuard Total Alkalinity Increaser 2lb, SpaGuard pH Increaser 18oz, SpaGuard pH Down 1lb, Test Strips (5-way) - 50 strips, LeisureQuip Hot Tub Care Guide & Log Book.
EFFECTIVE: Tested and proven SpaGuard products that are reliable and take the hassle out of your spa or hot tub care.
APPROVED: SpaGuard spa water balancers provide the right balance for your spa, hot tub or pool, by preventing surface corrosion and equipment damage while balancing water for bather comfort.
SpaGuard Chlorinating Concentrate is a granular stabilized chlorine for spas and hot tubs. Acts as a sanitizer and an oxidizer.
LeisureQuip ScumBoat Scum Absorber absorbs up to 40 times its weight in oils, grime, scum, and other debris to keep hot tub clean and prevent waterline build-up.

size: 31.8x60mm Angle: 0~+90 adjustable Material: Constructed of high-strength CNC machined 6061 T6 aluminum alloy.
Advantages: 1. Two-in-one design of height increaser and bike stem, it saves your money to buy height increaser or bike stem.2. It can be adjusted from 0-90° (you can also think of it as 90-180°). it can be adjusted the height in the maximum range for the handlebar,giving you more riding options.3. The quality is guaranteed. Our shop specializes in selling bicycle accessories, professional factory, more reliable quality..
Made of aluminum alloy , lighter weight, better toughness, no deformation, corrosion resistance, provide security for your outdoor travel..
Easy Installation: Just connect up the original front fork stem.Four bolt bar clamp holds bar securely in position.
Bought this stem to enable you to convert an old MTB into a commuter bike.Suit for MTB ,BMX, DH, downhill bicycles, fixed equipment, road bikes, etc..

DUCT EXPANDER: Designed to fit ventilation fans with a 4" duct connector and 5" round duct systems.
EASY CONNECTION: Allows easy connection of a kitchen ventilation fan (with 4" round duct connector) to 5" round ducting.
FLAMMABILITY COMPLIANT: Duct expander is UL 94 compliant for flammability to ensure safety.
MADE IN USA: This duct expander is made in the USA to ensure highest quality.
INVENT FAN: This duct increaser is designed to fit with our InVent fan duct connector assemblies.

SpaGuard Total Alkalinity Increaser increases the total alkalinity of your hot tub to protect your equipment from corrosion and minimize pH bounce..

【Size】Made of galvanized steel. Adapts 8 inches to 6 inches. Round Ducting Adaptor.
【Widely Application】Designed for bathroom extractor fans, HVAC systems, inline ventilators, cooker hoods, tumble dryers, hydroponics, kitchen..
【Adventages】Maintains airflow efficiency by creating a connection between two different sized duct openings..
【How to Use】The solid duct reducer or increaser can be used when connecting two different solid or flexible ducts or ducts to ventilators, 8 to 6 inch, or vice versa..
【Easy to Install】Put it in the two ducting, easy to install the air duct reducer..

BENEFITS: Designed to increase pH and total alkalinity for spas, hot tubs, and Jacuzzis.
USE: Part of BAQUA Spa's bromine-free and chlorine-free maintenance product line.
Utilize BAQUA Spa Test Strips to determine dosage.
COMPATIBILITY: Works with all biguanide sanitizer systems.
Contains mineral salts for a fresh scent.
Sodium Carbonate - 98%, Constituents Ineffective as Adjuvants - 2%.
INCLUDES: One 16-oz container of BAQUA Spa pH Increaser.