How do i use this? i think my hanna orp meter was dry for too long.

If you haven't soaked it in the storage solution definitely do that. Fill the meters cap with the solution and place it in there. You always want to have the solution in the cap

Do the bottles have a lot number and expiration date imprinted?

Yes, they have an expiration date printed- and amazon ask for them before they are allowed to be sent into the fba program.

What ph does this solution keep a ph/ec/tds meter's electrodes? should one be able to use their meter, immediately from the storage solution?

The ph storage solution is right around a 4 ph. I always re-calibrate with 4.01 & 7.01 after removing from the storage solution.

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Hanna Instruments HI 70300M Storage Solution for pH/ORP Electrodes, 230mL Bottle

Product ID: 654515408

Details

Brand
Hanna
Item Form
Liquid
Item Volume
230 ml
Item Weight
8 ounces
Package Information
Bottle

⚡prolongs electrode lifespan

💧maintains optimal moisture balance

🧪230mL precision storage volume

COP 172678

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Description

💧 Keep your electrodes fresh, accurate, and ready to perform!

ODORLESS COLORLESS - Keeps your workspace fresh and contamination-free
EXTEND ELECTRODE LIFE - Reduces clogging and wear for long-term accuracy
PRECISION 230 M L BOTTLE - Ideal volume for consistent electrode hydration
UNIVERSAL COMPATIBILITY - Perfect for all Hanna pH and ORP electrodes
ISO 9001 CERTIFIED QUALITY - Trusted manufacturing standards since 1978

The Hanna Instruments HI 70300M is a 230mL storage solution designed specifically for pH and ORP electrodes. This odorless, colorless liquid maintains the moisture of electrode glass bulbs and junctions, preventing clogging and extending electrode lifespan. Manufactured under ISO 9001 standards, it ensures reliable performance and compatibility with all Hanna electrodes.

Specifications

ASIN	B002NX0W2I
Best Sellers Rank	#170,734 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #36 in Electrolyte Solutions
Brand	Hanna Instruments
Brand Name	Hanna Instruments
Container Type	Bottle
Customer Reviews	4.6 out of 5 stars 181 Reviews
Global Trade Identification Number	00860012631063
Included Components	One Item
Item Form	Liquid
Item Volume	230 ml
Item Weight	8 ounces
Manufacturer	Hanna Instruments
Model Number	5444
Package Information	Bottle
Part Number	HI 70300M
UPC	094713546412
Unit Count	1 Count
Volume	230 ml

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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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COP 172678

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered 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 Colombia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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