Best in 7 days
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Shipping Estimate
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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
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Description
Neptune pH ProbeNeptune pH Probe Overview Neptune now offers both the pH and ORP probes in a double junction construction for the Apex controller these probes are built so they hold calibration longer and have a longer lifespan than single junction probes. Single junction probes put the reference electrode in direct contact with aquarium water. Over time, the junction will slowly leak aquarium water into the electrolyte which changes the accuracy of the probe and
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 162 reviews
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Product Reviews
★★★★★ 5
As advertised
Size: 1 Count (Pack of 1), Style: Cartridge Ink
Works well in my Epson printer
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 13, 2026
★★★★★ 5
Perfect
Style: Cartridge Ink
Crisp, clean and super easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2026
★★★★★ 5
Great product
Style: Cartridge Ink
Have used multiple times great product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 29, 2025
★★★★★ 5
Price and delivery
Style: Cartridge Ink
Great Product - fast delivery, good pricing... what more can I say
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 30, 2025
★★★★★ 5
Works as expected
Style: Cartridge Ink
works as expected
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 9, 2025
