Top 10 Photometers for saltwater aquarium in 2026

Discover on this page the best-selling Photometers for saltwater aquarium in 2026 on zoanthus.fr. These are the best sellers from the last 3 months, recent and popular models that have proven themselves. If you still hesitate before ordering your Photometers, we advise you to choose from this list according to your aquarium's needs. The list updates in real time, always staying current.

1. Hanna Instruments - Powder Reagents for Marine Nitrate Checker (HI782) - 25 tests

Hanna Instruments - Powder...
Hanna Instruments - Powder Reagents for Marine Nitrate...
(47 reviews)
21.99 €
  • En promotion
  • 5 en stock

Powder reagents for Checker Marine Nitrate (HI782), 25 tests. Ref: HI782-25

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2. Hanna Instruments - Powder Reagents for ULR Phosphate Checker (HI 774), 25 tests

Hanna Instruments - Powder...
Hanna Instruments - Powder Reagents for ULR Phosphate...
(44 reviews)
18.99 €
  • En promotion
  • 49 en stock

Powder reagents for HLR phosphate checker (HI 774), 25 tests. Ref: HI774-25

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3. Hanna Instruments - Reagent for dKh Alkalinity Checker (HI772), 25 tests

Hanna Instruments - Reagent...
Hanna Instruments - Reagent for dKh Alkalinity Checker...
(29 reviews)
13.99 €
  • En promotion
  • 39 en stock

Reagent for Checker HC alkalinity HI772 dKh mini photometer in sea water, colorimetric method, about 25 tests

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4. Hanna Instruments - Mini Marine Nitrate HR Photometer - HI782

Hanna Instruments - Mini...
Hanna Instruments - Mini Marine Nitrate HR Photometer -...
(34 reviews)
69.99 €
  • En promotion
  • 6 en stock
Hanna Instruments Mini Marine Nitrate Photometer is specially designed to quickly and accurately determine high nitrate levels in saltwater aquariums and marine applications . With a digital readout, you won't have to struggle to determine colors visually.
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5. Hanna Instruments - Powder Reagents for Phosphate Checker (HI 713), 25 tests

Hanna Instruments - Powder...
Hanna Instruments - Powder Reagents for Phosphate Checker...
(53 reviews)
19.99 €
  • En promotion
  • 47 en stock
Powder reagents for Phosphate Checker (HI 713), 25 tests. Ref: HI713-25
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6. Hanna Instruments - Phosphorus Reagents for HI736 - 25 tests - HI 736-25

Hanna Instruments -...
Hanna Instruments - Phosphorus Reagents for HI736 - 25...
(11 reviews)
16.99 €
  • En promotion
  • 17 en stock
Powder reagents for Checker HC phosphorus mini photometer (HI736) , 25 tests.
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7. Hanna Instruments - Mini Phosphate Checker Photometer ULR - PO4 - HI774

Hanna Instruments - Mini...
Hanna Instruments - Mini Phosphate Checker Photometer ULR...
(22 reviews)
69.99 €
  • En promotion
  • 7 en stock
Mini-photometer Checker Phosphates ULR allows the measurement of phosphates up to 0.9 mg/L (ppm). This mini-photometer is compatible for measurements in fresh water and sea water. HI774 comes with 2 measuring cuvettes and their caps, 10 sachets of powdered reagent and the battery.
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8. Hanna Instruments - dKH Alkalinity Checker Mini Photometer - HI772

Hanna Instruments - dKH...
Hanna Instruments - dKH Alkalinity Checker Mini...
(13 reviews)
69.99 €
  • En promotion
  • 3 en stock
Checker HC mini photometer for measuring alkalinity (dKH) in seawater up to 20 dKH. HI772 comes with 2 measuring cuvettes and their caps, 1 bottle of liquid reagent for alkalinity and the battery.
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9. Hanna Instruments - Reagents for Calcium Seawater (HI 758), 25 tests

Hanna Instruments -...
Hanna Instruments - Reagents for Calcium Seawater (HI...
(15 reviews)
39.99 €
  • En promotion
  • 12 en stock
Reagents for seawater calcium (HI 758), 25 tests.
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10. Hanna Instruments - Liquid Reagent for Seawater Alkalinity (HI 755), 25 Tests

Hanna Instruments - Liquid...
Hanna Instruments - Liquid Reagent for Seawater...
(14 reviews)
16.80 €
  • En promotion
  • 20 en stock
Liquid reagent for seawater alkalinity (HI 755), 25 tests.
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