Okay, what am I doing wrong. The water was blue, not pink when I added the microspoon of chemical, no drops added.

It means your water is soft already. If it was pink, then however many drops you add to turn it blue, thats how many grains hard your water is. Since you did not have to add any drops that means your water is 0 grains hard.

What is the hardness range for this test kit? Thanks

You can always dilute your sample to extend the range. Dilute with soft water (distilled, clean rain water, or previously softened water). Just check that the soft water tests for zero hardness before using it. 1:1 dilution would double your range. 1:9 would extend the range by a factor of 10. A cheap drugstore syringe could be used for dilutions if you don't want to eyeball it.

Does this kit come with the test tube and mixing bottle like the one from Hach?

Hach's part number 145300 does come with the measuring tube PN43800 and Glass Bottle PN 43900

Why would the color of soft water turn blue as soon as the indicator is added to the sample, without any additionof the titrant?

This happens normally, if the water is soft (zero grains of harness). The grains of hardness is the number of drops of titrant you have to add to get the water to turn blue. If you do not have to add any drops of titrant, then you have zero grains!

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Description

💧 Know your water, own your wellness.

COMPREHENSIVE KIT COMPONENTS - Includes reagents, measuring tube, square bottle, and scoop for a seamless testing experience.
COST EFFECTIVE LONG LASTING - Run up to 100 tests per kit—ideal for ongoing monitoring without breaking the bank.
INSTANT TROUBLESHOOTING POWER - Diagnose water softener issues quickly and avoid costly repairs with clear, repeatable results.
PRECISION DROP COUNT TITRATION - Get exact CaCO3 hardness levels with a simple drop count method—no guesswork, just reliable data.
PROFESSIONAL GRADE TESTING KIT - Trusted by water treatment pros and industries for consistent, lab-quality results in the field.

The Hach Total Hardness Test Kit Model 5-B offers a professional, drop-count titration method to measure water hardness as CaCO3 within a 1-30 gpg range. Equipped with two reagents and all necessary tools, it delivers approximately 100 precise tests, making it the go-to solution for homeowners and professionals seeking accurate, repeatable water hardness analysis to optimize water softener performance and prevent costly maintenance.

Specifications

ASIN	B008FM7WLU
Best Sellers Rank	#5,483 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Hardness Testing Equipment
Date First Available	May 20, 2011
Is Discontinued By Manufacturer	No
Item Weight	9 ounces
Item model number	145300
Manufacturer	HACH COMPANY
Package Dimensions	5 x 2.72 x 2.6 inches

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Total Hardness Test Kit, Model 5-B, Water Analysis Kit for Drop Count Titration, with 2 Reagents, Measuring Tube, Square Bottle & Measuring Scoop, 145300

Description

Specifications

Common Questions