Which is correct? The top color and the bottom color are different pH readings, so which is correct?

Yes, this is very frustrating. If I go by the top one, and it's, say, "3.0", then the bottom one will usually be "4.5" ----- Which is correct, indeed?

Can these strips be used for food items to be canned?

I believe that it can be used for that. I personally use them to test the acidity of lacto fermented vegetables (mostly hot sauce) so I know when the PH is low enough to be shelf stable.

What is the purpose of the second raw of colors?

What is the purpose of the second row of colors? Accuracy. Each strip has two pieces of litmus. One reads 'top down' and the other 'bottom up.' They both react and the best answer is in the middle. Compare the color of the two strips on each stick to the color chart, and you'll have your answer. Don't overthink this. Just dunk the strip into the liquid in question, then compare to the color chart for your reading. Easy as that.

Is using your nose to tell when something is off not a thing any more? What did they do for thousands of years?

Got sick and enjoyed poor products. If they had access to our knowledge and equipment, they would have used it too.

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Fermentaholics Read Kombucha Instant PH Strip Dispenser pH Range 0-6-15 ft Roll 180 1 Inch Strips

Product ID: 775086436

Details

Brand
Manufacturer
Recommended uses for product
pH value in
UPC
852370008076
pH range
0-6

⚡Instant read, no wait time

📏180 strips, 1 inch wide

🌡️Precise pH range 0-6 in 0.5 increments

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€ 42.25

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In stock

Sold byAmazon SpainDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🍹 Brew Bold, Test Smart: Master your kombucha’s pH game instantly!

GENEROUS SUPPLY - 180 easy-to-use strips on a convenient dispenser roll keep your brewing on point for months.
COMPACT PORTABLE - Sleek dispenser fits effortlessly in your brewing kit or pocket for on-the-go testing.
PRECISION BREWING CONTROL - Accurately monitor kombucha pH from start to finish for safe, consistent batches.
OPTIMIZED FOR KOMBUCHA SAFETY - Specifically calibrated to detect critical pH levels that prevent harmful bacteria growth.
INSTANT RESULTS ZERO GUESSWORK - Dip, compare, and know your brew’s acidity in seconds—no delays, no doubts.

Fermentaholics Read Kombucha Instant pH Strip Dispenser offers 180 one-inch strips with a precise 0-6 pH range in 0.5 increments, delivering instant, reliable acidity readings essential for safe and successful kombucha brewing. Its compact roll dispenser ensures convenience and longevity, making it a must-have tool for every serious homebrewer.

Specifications

ASIN	B07G2N6BNW
Brand Name	Fermentaholics
Customer Reviews	4.6 4.6 out of 5 stars (1,180)
Global Trade Identification Number	00852370008076
Manufacturer	Fermentaholics
Model Number	PH ROLL 15ft
Part Number	PH ROLL 15ft
Recommended Uses For Product	pH value in kombucha
Sterility Rating	0-6
UPC	852370008076

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