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 Water Hardness Test Kit - Hard Water Test Strips for Well & Home

Varify Water Hardness Test Kit - Hard Water Test Strips for Well & Home

Product ID: 250944336

Details

Brand
VARIFY
Manufacturer
VARIFY
Ph Range
6.5-8.5
Recommended Uses For Product
testing water
Unit Count
100 Count

🌈Oversized easy-read color chart

🔬150 precision test strips

⏱️30-second rapid results

€ 21.30

Duties & taxes included

In stock

Sold byAmazon NetherlandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Know your water, protect your world.

PROTECT YOUR HOME HEALTH - Prevent costly appliance damage and skin irritation by monitoring calcium and magnesium levels regularly.
TEST WITH PURPOSE IMPACT - Every kit supports clean water initiatives in the Central African Republic—test your water and change a life.
INSTANT CLARITY ON WATER QUALITY - Get accurate water hardness readings in just 30 seconds with a simple dip-and-read strip.
LONG LASTING FRESHNESS GUARANTEED - Innovative FreshSeal packaging keeps all 150 strips reliable and ready for use over time.
VISUAL SIMPLICITY MEETS PRECISION - Oversized color chart ensures effortless interpretation of water hardness levels from 0-25 GPG / 0-425 PPM.

The Varify Water Hardness Test Kit offers 150 precision strips that deliver fast, reliable readings of calcium and magnesium levels in water within 30 seconds. Featuring an oversized, easy-to-read color chart and FreshSeal packaging for extended shelf life, this kit empowers homeowners to safeguard appliances and personal wellness while supporting global clean water efforts.

Specifications

ASIN	B08D8KFPV8
Best Sellers Rank	#634 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Hardness Testing Equipment
Brand Name	VARIFY
Customer Reviews	4.4 4.4 out of 5 stars (7,150)
Global Trade Identification Number	00618149116515
Included Components	150 strips
Item Weight	2.72 ounces
Manufacturer	VARIFY
Material Type	Plastic
Model Number	Water Hardness Test Kit
Number of Items	150
Number of Packs	3
Part Number	VarifyTH
Recommended Uses For Product	testing water hardness for water softeners, dishwashers, wells, spas, and pools
Sterility Rating	6.5-8.5
UPC	618149116515
Unit Count	100 Count

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