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Salinity

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Salinity for sale on largest auction and classifieds sites

Home / / Salinity refurbished & used for sale | For Sale USA
Seachem prime - seachem,

Seachem prime - seachem,

$8.89
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Aquarium hydrometer salinity - hydrometer,

Aquarium hydrometer salinity - hydrometer,

$12.99
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100 salinity - 0-100‰,

100 salinity - 0-100‰,

$17.99
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Freshwater salt system - salt,

Freshwater salt system - salt,

$148.75
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PH/TDS/EC/Salinity/Temperature

PH/TDS/EC/Salinity/Temperature

$18.29
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Hanna hi98319 waterproof - hi98319,

Hanna hi98319 waterproof - hi98319,

$99.99
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Seachem stability - seachem,

Seachem stability - seachem,

$13.99
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Aquarium glass hydrometer - glass,

Aquarium glass hydrometer - glass,

$13.95
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Api marine saltwater master - marine,

Api marine saltwater master - marine,

$25.18
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Api tap water - tap, conditioner

Api tap water - tap, conditioner

$23.19
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Seachem safe - seachem,

Seachem safe - seachem,

$127.45
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Tetra easystrips 1 - easystrips, 6-in-1

Tetra easystrips 1 - easystrips, 6-in-1

$12.99
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Instant ocean reef - ocean, crystals

Instant ocean reef - ocean, crystals

$61.99
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Xtremepowerus salt cell - salt,

Xtremepowerus salt cell - salt,

$379.95
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2026 upgraded aqua - 2026, rite

2026 upgraded aqua - 2026, rite

$219.97
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Seachem cichlid lake salt - cichlid,

Seachem cichlid lake salt - cichlid,

$74.71
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Salinity refractometer for - refractometer,

Salinity refractometer for - refractometer,

$26.83
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Aquarium marine test sea - aquarium,

Aquarium marine test sea - aquarium,

$19.23
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Salinity refractometer - salinity,

Salinity refractometer - salinity,

$15.99
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Digital water quality - water,

Digital water quality - water,

$17.70
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Smart water tester in - water, 6-in-1

Smart water tester in - water, 6-in-1

$65.00
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Api test kit - api,

Api test kit - api,

$12.49
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Pool salt tester ph - pool,

Pool salt tester ph - pool,

$26.09
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Lot of hanna - of,

Lot of hanna - of,

$299.99
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Salt 3000 salinity tester - salinity,

Salt 3000 salinity tester - salinity,

$20.99
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Hanna instruments hi70024p - hanna,

Hanna instruments hi70024p - hanna,

$39.00
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Autoutlet salinity - autoutlet,

Autoutlet salinity - autoutlet,

$17.49
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Salinity refractometer salt - refractometer,

Salinity refractometer salt - refractometer,

$15.29
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Salt cell replacement - t-15,

Salt cell replacement - t-15,

$389.89
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Xtremepowerus universal cell - universal,

Xtremepowerus universal cell - universal,

$499.95
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Sea salt for marine - salt, aquariums

Sea salt for marine - salt, aquariums

$89.95
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Drop salt chlorine - drop-in,

Drop salt chlorine - drop-in,

$161.49
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Milwaukee digitial seawater - milwaukee,

Milwaukee digitial seawater - milwaukee,

$155.00
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Tropic marin high precision - tropic,

Tropic marin high precision - tropic,

$42.99
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Salinity refractometer - salinity,

Salinity refractometer - salinity,

$25.30
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Milwaukee ma887 digital - milwaukee,

Milwaukee ma887 digital - milwaukee,

$79.99
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Water quality tester - quality, meter

Water quality tester - quality, meter

$20.89
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Api calcium test kit - api,

Api calcium test kit - api,

$13.99
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Tergtiry ppc1 salt cell - tergtiry,

Tergtiry ppc1 salt cell - tergtiry,

$120.00
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Sea salt for marine aquariums - salt,

Sea salt for marine aquariums - salt,

$103.60
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Instant ocean sea - instant,

Instant ocean sea - instant,

$49.99
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Api nitrite test - api, kit

Api nitrite test - api, kit

$12.99
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Hydrometer saltwater aquarium - hydrometer,

Hydrometer saltwater aquarium - hydrometer,

$12.95
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Salinity refractometer meter - salinity,

Salinity refractometer meter - salinity,

$15.99
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Ref sea coral - pro, salt

Ref sea coral - pro, salt

$30.00
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Aquarium salt freshwater - aquarium,

Aquarium salt freshwater - aquarium,

$12.60
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Eseasongear salt 3050 - eseasongear, salt-3050

Eseasongear salt 3050 - eseasongear, salt-3050

$35.96
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Eseasongear salt 3000 - eseasongear, meter

Eseasongear salt 3000 - eseasongear, meter

$19.99
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Salinity refractometer meter - refractometer,

Salinity refractometer meter - refractometer,

$15.99
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Hayward salt cell tcell940 - hayward,

Hayward salt cell tcell940 - hayward,

$1499.99
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Portable salinity salt - portable,

Portable salinity salt - portable,

$15.99
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Api copper test kit - copper,

Api copper test kit - copper,

$15.49
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Neptune systems apex lab grade - apex,

Neptune systems apex lab grade - apex,

$149.99
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Aquatics premium shrimp - mt,

Aquatics premium shrimp - mt,

$16.99
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Api saltwater marine master - api,

Api saltwater marine master - api,

$26.00
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Milwaukee ma887 digital - milwaukee,

Milwaukee ma887 digital - milwaukee,

$82.00
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Fritz 35ppt calibration fluid - 35ppt,

Fritz 35ppt calibration fluid - 35ppt,

$17.28
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Seachem prime fresh and - seachem,

Seachem prime fresh and - seachem,

$11.99
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Api marine saltwater master - saltwater,

Api marine saltwater master - saltwater,

$26.00
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0 100 salinity - 10°c~30°c, 0-100‰

0 100 salinity - 10°c~30°c, 0-100‰

$19.81
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Aquarium hydrometer and - aquarium,

Aquarium hydrometer and - aquarium,

$9.99
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Aquasalt swimming pool - aquasalt,

Aquasalt swimming pool - aquasalt,

$149.49
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Salt meter 3000 pool - meter, salt-3000

Salt meter 3000 pool - meter, salt-3000

$19.99
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Taylor 2006 salt fas dpd - k-2006-salt, fas-dpd

Taylor 2006 salt fas dpd - k-2006-salt, fas-dpd

$127.38
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Api aquarium salt freshwater - api,

Api aquarium salt freshwater - api,

$12.63
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Seachem prime dechlorinator - prime,

Seachem prime dechlorinator - prime,

$16.89
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Api aquarium salt - aquarium, freshwater

Api aquarium salt - aquarium, freshwater

$12.46
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100 salinity - 0-100‰,

100 salinity - 0-100‰,

$17.85
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Seachem replenish - seachem,

Seachem replenish - seachem,

$14.49
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Red sea coral - sea,

Red sea coral - sea,

$179.99
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Salinity refractometer for - refractometer,

Salinity refractometer for - refractometer,

$10.00
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Api saltwater master test kit - api,

Api saltwater master test kit - api,

$35.98
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Salinity ppm temperature - &,

Salinity ppm temperature - &,

$26.79
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Api phosphate test kit - api,

Api phosphate test kit - api,

$14.99
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Hanna 98319 marine - hi-98319,

Hanna 98319 marine - hi-98319,

$91.05
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Salinity refractometer - salinity,

Salinity refractometer - salinity,

$15.99
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Eseasongear salt 3000 meter - eseasongear,

Eseasongear salt 3000 meter - eseasongear,

$26.65
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Icecap salinity temperature - icecap, salinity/temperature

Icecap salinity temperature - icecap, salinity/temperature

$39.00
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Vee gee scientific handheld - vee,

Vee gee scientific handheld - vee,

$49.99
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Atc salinity refractometer - salinity,

Atc salinity refractometer - salinity,

$14.99
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Deep six hydrometer - deep,

Deep six hydrometer - deep,

$20.40
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Instant ocean hydrometer - ocean,

Instant ocean hydrometer - ocean,

$15.49
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Instant ocean sea - instant, for

Instant ocean sea - instant, for

$49.99
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Api marine saltwater master - api,

Api marine saltwater master - api,

$40.99
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Hydrometer aquarium fish - hydrometer,

Hydrometer aquarium fish - hydrometer,

$12.98
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Red sea salt kg bag - red,

Red sea salt kg bag - red,

$103.59
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Hydrospace pns probio - pns, 16oz

Hydrospace pns probio - pns, 16oz

$35.99
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Api saltwater master test kit - saltwater,

Api saltwater master test kit - saltwater,

$46.13
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R0452500 jandy zodiac salinity - r0452500,

R0452500 jandy zodiac salinity - r0452500,

$139.99
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Salinity refractometer meter - refractometer,

Salinity refractometer meter - refractometer,

$17.99
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Reefing art aquarium salt - aquarium,

Reefing art aquarium salt - aquarium,

$29.99
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0 100 salinity - 10°c~30°c,

0 100 salinity - 10°c~30°c,

$17.29
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Lkbird smart pool salt - smart,

Lkbird smart pool salt - smart,

$49.99
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Aquarium salt 33 oz - salt, qt

Aquarium salt 33 oz - salt, qt

$20.39
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Complete salt water - salt, pool

Complete salt water - salt, pool

$377.24
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Hf5 4040 membrane - hf5-4040,

Hf5 4040 membrane - hf5-4040,

$129.50
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📊96 listings · from $8.89 · avg $79.4

Browse 96 salinity listings currently in our index. Prices range from $8.89 to $1499.99, with an average of $79.4. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about salinity →

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Everything you need to know about salinity

Whether you are looking for a brand-new or second-hand salinity, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $8.89, while premium listings can reach $1499.99 — giving you a wide budget spread to work with. The average price of $79.4 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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