whats the difference between this and their GroLine storage solution?

I use Skunk Labs Potassium Chloride solution . it's cheaper

After a few days, the solution becomes crystallized and chunky. What am I doing wrong?

Not sure. Mine lasted for weeks and only became crystallized of left uncapped or in the open air . Cld be bad to begin with if only a cpl days . Try gettin a refund or a new order and see what happens ..

How much of this are we supposed to use on the ORP meter tip? Just pour some into the basin that the tip slides into?

Well Hanna says not to store the unit in that cap for what reason idk at least on my ph 55 meter but I use those packets it comes with to store it in and use just enuff to cover the electrode then change it once a week or so not sure what ph meter u have but you could most likely use the cap I used it on the last unit I owned so ur call

This is probably an obvious answer but I thought I'd be careful; Can this storage solution be used for an Oakton pH meter? This is way cheaper.

I'm sure its universal just one thing when I used it, it got crusty on me so I just use ph 4 or 7 solution to store mine in and use the cleanin solution once a week on it is all but it would work for your meter if you wanna try it out for yourself and see.

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Hanna Instruments HI70300L pH/ORP Electrode Storage Solution, 500mL Bottle

Product ID: 654515407

⚡fast electrode response

💧500mL moisture retention

🛡️clogging prevention

865 DH

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Description

💧 Stay sharp, stay precise — never let your electrodes dry out!

GENEROUS 500 M L SUPPLY - Ample volume for long-term use without frequent repurchasing
PRECISION IN EVERY DROP - Specialized HI70300 formula maintains optimal electrode performance
MAXIMIZE SENSOR LIFESPAN - Prevents clogging to extend your pH/ORP electrode’s operational life
TRUSTED INDUSTRY STANDARD - Ranked #17 in Electrolyte Solutions, a go-to for professionals
KEEP YOUR ELECTRODES READY - Ensures glass bulb & junction stay perfectly moist for instant accuracy

Hanna Instruments HI70300L is a 500mL pH/ORP electrode storage solution designed to keep electrodes moist, prevent clogging, and ensure fast, accurate sensor response. Ideal for professionals seeking reliable, long-lasting electrode performance.

Specifications

Asin	B01J5F1U3G
Best Sellers Rank	#98,046 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #17 in Electrolyte Solutions
Date First Available	January 7, 2008
Department	mens
Item Model Number	HI 70300L
Item Weight	1.1 pounds
Manufacturer	Hanna Instruments
Product Dimensions	50 x 50 x 50 inches

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865 DH

Duties & taxes included

In stock

Sold byAmazon MoroccoDelivered 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 Morocco.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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