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 Kombucha & Fermentation pH Test Strips – Instant Read pH Strips Dispenser for Brewing & Fermentation, pH Range 0–6 (pH Roll Dispenser)

Fermentaholics Kombucha & Fermentation pH Test Strips – Instant Read pH Strips Dispenser for Brewing & Fermentation, pH Range 0–6 (pH Roll Dispenser)

Product ID: 79616894

Details

Brand
Manufacturer
Ph Range
0-6
Recommended Uses For Product
ph Test
UPC
852370008076

📏pH range 0-6 for precise acidity control

🧪accurate & reliable homebrew testing

⏱️instant 1-2 second read time

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Sold byAmazon FinlandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🍹 Brew Bold, Brew Safe: Instant pH Mastery at Your Fingertips!

INSTANT RESULTS - Get reliable pH readings in just 1-2 seconds—no waiting, no guesswork.
PRECISION P H CONTROL - Monitor your brew’s acidity with lab-grade accuracy from 0 to 6 pH.
USER FRIENDLY DESIGN - Easy dip-and-compare strips with a handy color chart—perfect for busy home brewers.
BREW SAFETY GUARANTEED - Ensure your kombucha and fermented goods stay within safe pH levels every batch.
VERSATILE BREWING COMPANION - Ideal for kombucha, beer, wine, mead, vinegar, and even home canning safety.

Fermentaholics Kombucha & Fermentation pH Test Strips offer fast, accurate acidity readings within a 0-6 pH range, empowering home brewers and canners to consistently craft safe, high-quality fermented beverages and foods. Designed for ease and reliability, these instant-read strips eliminate guesswork and elevate your fermentation game.

Specifications

ASIN	B07G2N6BNW
Best Sellers Rank	#5,250 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #14 in pH Test Strips
Brand Name	Fermentaholics
Customer Reviews	4.6 4.6 out of 5 stars (1,228)
Global Trade Identification Number	00852370008076
Manufacturer	Fermentaholics
Material Type	Plastic
Model Number	PH ROLL 15ft
Part Number	PH ROLL 15ft
Recommended Uses For Product	ph Test
Sterility Rating	0-6
UPC	852370008076

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 27.46

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