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.

Taylor Technologies R 0870 I Dpd Powder Reagent 10 Gram

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

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AR$62028

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Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Stay ahead of the splash—test smarter, swim safer!

PRECISION IN EVERY GRAIN - 10 grams of DPD powder ensures accurate chlorine & bromine measurement for flawless water balance.
EXTEND YOUR KITS LIFESPAN - Refill your test kit reagent separately to save money and reduce waste season after season.
PROUDLY AMERICAN MADE EXCELLENCE - Since 1930, Taylor’s USA manufacturing guarantees top-tier reliability and customer support.
EFFORTLESS TESTING INSTANT CONFIDENCE - Quickly test your pool or spa water with simple steps and clear pictogram instructions—no lab degree needed.
TRUSTED BY PROS PERFECT FOR HOMEOWNERS - Engineered to professional standards but designed for easy use by anyone who cares about water quality.

Taylor Technologies R-0870-I DPD Powder is a 10-gram reagent refill designed for precise testing of chlorine and bromine levels in pools and spas. Made in the USA with professional-grade quality, it extends the life of your test kit and simplifies water chemistry maintenance with easy-to-follow instructions. Trusted by over 1,200 users and ranked among top pool chemical products, it’s the essential upgrade for any pool or spa owner aiming for crystal-clear water.

Specifications

ASIN	B0002IXJ1M
Best Sellers Rank	#3,590 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #128 in Pool Chemicals & Water Testing Products
Brand	Taylor
Brand Name	Taylor
Customer Reviews	4.7 out of 5 stars 1,221 Reviews
Item Form	Powder
Item Type Name	Taylor Technologies R-0870-I DPD Powder for Swimming Pool, 10gm
Item Weight	0.27 g
Manufacturer	Taylor Technologies, Inc
Manufacturer Part Number	R-0870-I
Model Number	R-0870-I
Number of Items	1
Number of Packs	1
Package Size Name	10 grams
Product Benefits	Assists in maintaining balanced water chemistry and accurate testing for pool and spa water treatment Product Benefits Assists in maintaining balanced water chemistry and accurate testing for pool and spa water treatment See more
UPC	840036002049

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AR$62028

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Argentina.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.