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

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

Product ID: 11931791

💧Measures hardness 1-30 gpg

🧪Includes 2 reagents + full testing kit

⚖️Approx. 100 precise tests per kit

₹ 6713

Duties & taxes included

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Description

💧 Stay ahead with precision water hardness testing—because your water quality deserves the best!

LONG LASTING SUPPLY - Up to 100 tests per kit means fewer reorders and uninterrupted monitoring
COMPREHENSIVE TESTING KIT - Includes reagents, measuring tube, scoop & bottle—everything you need in one sleek package
MULTILINGUAL INSTRUCTIONS - Clear guidance in English, Spanish, French & Portuguese—ready for global use
VERSATILE INDUSTRY STANDARD - Trusted by pros across water treatment, food & beverage, textiles, and manufacturing
PRECISION DROP COUNT TITRATION - Simple, accurate hardness measurement as CaCO₃ for confident water quality control

The Hach Total Hardness Test Kit Model 5-B offers a reliable, drop count titration method to measure water hardness as CaCO₃ within a 1-30 gpg range. Designed for both field and lab use, it includes two reagents, a measuring tube, square bottle, and scoop, providing approximately 100 tests per kit. Trusted by professionals across multiple industries, it features multilingual instructions and a compact, easy-to-use design for consistent, accurate water hardness analysis.

Specifications

ASIN	B008FM7WLU
Best Sellers Rank	#4,547 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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