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.

Hanna Instruments Hi70300l Ph Orp Electrode Storage Solution 500ml Bottle

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Description

💧 Keep your electrodes ready, precise, and ahead of the curve!

MICROBIAL DEFENSE - Protects electrodes from bacteria and mold for longer-lasting accuracy
TRACEABLE QUALITY - Sealed bottle with expiration and lot info for reliable lab standards
QUICK REACTIVATION - Soak sluggish probes for an hour to restore peak performance
COMPACT CONVENIENT - 500mL bottle fits seamlessly into your calibration routine without clutter
HYDRATE FOR PRECISION - Keeps glass bulb & junction moist to ensure lightning-fast pH/ORP readings

The Hanna Instruments HI70300L is a 500mL pH/ORP electrode storage solution designed to maintain electrode hydration, prevent microbial contamination, and ensure fast, accurate sensor response. Ideal for professionals who demand reliable calibration and probe longevity, this solution supports optimal electrode performance with traceable quality assurance.

Specifications

ASIN	B01J5F1U3G
Best Sellers Rank	#58,259 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in Electrolyte Solutions
Date First Available	January 7, 2008
Department	mens
Is Discontinued By Manufacturer	No
Item Weight	1.1 pounds
Item model number	HI 70300L
Manufacturer	Hanna Instruments
Product Dimensions	50 x 50 x 50 inches

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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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€ 85.71

Duties & taxes included

In stock

Sold byAmazon NetherlandsDelivered 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 Netherlands.

Secure transaction

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Fast, free shipping, member pricing & priority support.

Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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

Description

Specifications

Common Questions