My dpd powder looks crystalized. Bought it last year and just opened it. Is it bad?

This reagent is one of those with a shorter shelf life in the Taylor catalog. There should be an expiration date printed on the bottle. It may still be good, but proceed with care if it is over a year old. According to Taylor, with respect to the R-0870 reagent, this may help you identify if the reagent has become compromised and should be discarded: "As it degrades, the color will turn from an off-white color to gray or purplish gray and will gradually become a purplish brown color." As a general precaution, Taylor recommends replacing all reagents more than one year old.

what is the expiration date

The seller on mine was EZ Test Pool Supplies and the expiration Date is 08/22

Is there any way to know the expiration date of the current product? Some seller sent me product expired last year?

All product is 1 or 2 years for expiration. Ask the seller to send a newer one.

What is the difference between R-0870 and R-0870-l ?

R-0870 is the number of the reagent. The additional suffix such as -I or -J indicates the size. R-0870-I is 10 grams. R-0870-J is the same reagent in 0.25 lb size.

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R0870-I Reagent DPD Power R0870I | Dropper Refill Tests Bromine and Chlorine in Pools & Spas, Replace Annually

Product ID: 57187638

Details

Brand
Taylor
Item form
Powder
Item weight
0.01 Ounces
UPC
840036002049

💧Dissolves quickly for accurate testing

🧪Trusted reagent for pool chemistry

⚖️Precise 10g powder dosing

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Description

🧪 Elevate your pool game with precision-tested clarity!

SAFETY FIRST ALWAYS - Handle with care to avoid irritation—because your health matters as much as your pool’s clarity.
EFFORTLESS INTEGRATION - Dissolves seamlessly in water, making testing quick and hassle-free.
PRECISION IN EVERY GRAIN - 10 grams of reagent powder ensures exact chemical balance for your pool or spa.
TRUSTED INDUSTRY STANDARD - Taylor’s reagent is a go-to for professionals demanding reliable water chemistry results.
OPTIMIZE YOUR POOLS HEALTH - Maintain crystal-clear water and impress your guests with perfectly balanced chemistry.

Taylor R0870-I is a 10-gram DPD reagent powder designed for accurate pool and spa water testing. Trusted by professionals, it dissolves quickly to help maintain balanced water chemistry, ensuring safe and clear swimming environments. Handle with care due to its irritant properties.

Specifications

ASIN	B0002IXJ1M
Benefits	Assists in maintaining balanced water chemistry and accurate testing for pool and spa water treatment
Best Sellers Rank	429,153 in Garden ( See Top 100 in Garden ) 1,044 in Pool & Hot Tub Testers
Brand Name	Taylor
Customer Reviews	4.7 4.7 out of 5 stars (1,165)
Item Form	Powder
Item Weight	0.01 Ounces
Manufacturer	Taylor
Manufacturer Part Number	R-0870-I
Model Number	R-0870-I
Number of Items	1
Package Size Name	10 grams
UPC	840036002049

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€ 130.73

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