why do i need 150 of them?

Well, it's a matter of personal choice. I test frequentl, so I am happy there are 150 of them. The box that I just got doesn't expire until August of 2023, so I know I will have no problem using them by that time. I like to make sure my water softener is working.

Can it test bottled carbonated water?

I am sure it can. I would test the freshly opened bottle first, then let it stand overnight to lose the carbonation then test again to see if there was a difference. The stale water test should be considered definitive. I am a chemist.

It says for testing magnesium, I don't see a magnesium scale? Does it actually test magnesium?

It tests for it, it tests for all the minerals and metals it lists. It does not have individual scales for each one.

Does this work for salt chlorinated pools?

Yes, it will indicate the total hardness (amount of CaCO3)

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Varify 150 Strips Water Hardness Test Kit - Water Testing Kit for Home, Drinking, Well, Spa, Swimming Pool, Softener, Dishwasher - Hard Water Test Strips for Calcium, Magnesium (0-425 pmm, 150 Strips)

Product ID: 305404887

Details

Brand
VARIFY
Recommended uses for product
Water Quality
Test type
["Water
Unit count
150 Strips
pH range
6.5-8.5

📊0-425 ppm precision

🔒FreshSeal extended shelf life

⏱️Results in seconds

A$22

Duties & taxes included

In stock

Sold byAmazon AustraliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Know your water, protect your home, and join the clean water movement!

TEST WITH PURPOSE - Every kit supports clean water initiatives, turning your home testing into global impact.
LONG LASTING FRESHNESS - Includes sealed pouches to keep all 150 strips fresh and reliable over time.
PRECISION YOU CAN TRUST - Measures calcium and magnesium levels from 0 to 425 ppm for comprehensive water analysis.
EFFORTLESS RESULT INTERPRETATION - Oversized, color-coded chart makes understanding water hardness intuitive and quick.
INSTANT CLARITY ON WATER QUALITY - Get accurate hardness readings in seconds with a simple dip-and-read strip.

The Varify 150 Strips Water Hardness Test Kit offers fast, precise testing of calcium and magnesium levels in water sources ranging from 0 to 425 ppm. Designed for home, pool, spa, and appliance use, it features an easy-to-read color chart and extended shelf life with sealed pouches. With 150 strips per kit, it empowers users to monitor water hardness accurately while supporting global clean water initiatives.

Specifications

ASIN	B08D8KFPV8
Best Sellers Rank	841 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 3 in Surface & Hardness Testing
Brand	VARIFY
Country Of Origin	China
Customer Reviews	4.2 out of 5 stars 6,732 Reviews
Global Trade Identification Number	00618149116515
Item Weight	0.17 Pounds
Manufacturer	VARIFY
Manufacturer Part Number	VarifyTH
Material Type	Plastic
Model Number	Water Hardness Test Kit
Number of Items	1
Recommended Uses For Product	Water Quality Testing
Recommended uses for product	Water Quality Testing
Sterility Rating	6.5-8.5
Test Type	["Water Testing"]
Test type	["Water Testing"]
UPC	618149116515
Unit Count	150 Strips
Unit count	150 Strips
pH range	6.5-8.5

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