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Reef Spec Refractometer
Reef Spec Refractometer
Reef Spec Refractometer
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Reef Spec Refractometer

Marsoni M251S
Sale price$125.00
Pay 4 payments of $31.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Reef Spec RefractometerSEAWATER REFRACTOMETER High Accuracy Seawater Refractometer Red Seas Seawater Refractometer offers exceptional accuracy, for measuring the absolute salinity of seawater at a temperature of 25C 77F. Most refractometers used within the aquarium hobby are not specifically designed for reef aquariums and use an algorithm for the measurement of brine (NaCl rather than seawater) at a temperature of 15C 59F rather than 25C 77F. Thus, a measurement deviation
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Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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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
4.4 ★★★★★
Based on 1576 reviews
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Product Reviews
C
Verified Purchase
Cathy
Boise, US
★★★★★ 5
Keeps the water off your counter!
Color: Mattle Black, Color: Mattle Black
Works great! I’ve been looking for a solution to stop the sponge water from spilling onto the counter! Liked nice and neat. Great for keeping everything neat and organized. Size is perfect for sponges and nail brush and a small soap bottle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 2, 2025
D
Verified Purchase
donna kilgore
Los Angeles, US
★★★★★ 3
3 of 5
Color: Mattle Black
It is functional, but doesn't sit flush on my sink or counter
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
M
Verified Purchase
Mike
Waukegan, US
★★★★★ 5
Worth it
Color: Grey
Works great, suction cups hold well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
C
Verified Purchase
camille moskowitz
Charlottesville, US
★★★★★ 3
Kitchen sink sponge caddie
Color: Black
I like the look of it, but the suction cups do not work well. Always falls off, into the sink.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
C
Verified Purchase
Clovergirl
Port Orchard, US
★★★★★ 1
Rusting stainless steel
Color: Black, Color: Black
Description says stainless steel. After 6 months rust has developed and I doubt it will last a year. Suction cups suction was fine. The issue is have is the "U' theater the caddy rests on has bent to the point any little bump on the caddy will knock it off the suction but "U" notch.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026

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