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!

Hach Total Hardness Test Kit Model 5 B Drop Count

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

💧 Master your water quality with precision and ease!

COMPREHENSIVE TESTING KIT - Comes complete with reagents, measuring tube, bottle, and scoop—everything you need in one box.
MULTILINGUAL INSTRUCTIONS - Clear, easy-to-follow guides in English, Spanish, French, and Portuguese to ensure global usability.
TRUSTED BY INDUSTRY LEADERS - Preferred choice across water treatment, food & beverage, textile, and manufacturing sectors.
PRECISION HARDNESS MEASUREMENT - Accurately quantifies water hardness with trusted CaCO3 scale for reliable results every time.
EFFORTLESS DROP COUNT TITRATION - Simple, economical titration method designed for both field and lab use—no complex equipment needed.

The Hach Total Hardness Test Kit Model 5-B offers a professional-grade, drop count titration method to measure water hardness as CaCO3 within a 1-30 gpg range. Featuring approximately 100 tests per kit, it includes all necessary reagents and tools, supported by multilingual instructions. Trusted by multiple industries, this compact and reliable kit ensures accurate, on-the-spot water hardness analysis.

Specifications

ASIN	B008FM7WLU
Best Sellers Rank	#4,201 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Hardness Testing Equipment
Date First Available	May 20, 2011
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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E£ 7606

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Hach Total Hardness Test Kit, Model 5-B, Drop Count Titration, 145300

Description

Specifications

Common Questions