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Why Reef Zlements Testing?

Reef Zlements offers ICP* analysis services using its own in-house SPECTROGREEN DSOI ICP-OES to allow reefers to achieve the highest water quality possible.

Reef Zlements SPECTROGREEN DSOI unique radial dual side-on interface provides twice the sensitivity of conventional radial views and it equals the sensitivity of newer vertical-torch dual-view systems.

Our ICP-OES machine uses a newer, truly unique approach.
Its two optical interfaces capture emitted light from both sides of a vertical plasma — with only a single extra reflection, for added  sensitivity.

​Averaging twice the sensitivity of a conventional radial-view model across the whole spectral range. To analyse saltwater, our equipment, is the chosen and recommended by the ICP specialist at Spectro.

Our state of the art machine coupled with high chemical analysis methods and standards will allow Reef Zlements to provide reefers and customers the highest quality analysis in the industry. Spectro specialists recommend our technology and configuration for saltwater analysis due to its consistency and precision over ICP OES with a EOP configuration.

This technology ensures the highest sensitivity for trace elements and offers excellent accuracy in challenging environmental matrices, free from matrix interferences. Our SPECTROGREEN ICP delivers exceptionally reliable and precise analyses of both trace and macro elements in complex matrices like saltwater.

Elements/Parameters included: Chloride (Cl), Sodium (Na), Calcium (Ca), Magnesium (Mg), Potassium (K), Strontium (Sr), Boron (B), Bromine (Br), Sulphur (S), Lithium (Li), Silicon (Si), Iodine (I), Beryllium (Be), Barium (Ba), Molybdenum (Mo), Titanium (Ti), Vanadium (V), Chromium (Cr), Manganese (Mn), Iron (Fe), Cobalt (Co), Nickel (Ni), Copper (Cu), Zinc (Zn), Phosphorus (P), Phosphate (PO4), Aluminium (Al), Silicon (Si), Silver (Ag), Arsenic (As), Antimony (Sb), Tin (Sn), Cadmium (Cd), Selenium (Se), Mercury (Hg), Lead (Pb), Lanthanum (La), Scandium (Sc), Tungsten (W), Phosphorous (P), Phosphate (PO4) and Salinity.

In addition to standard ICP testing, we now offer an advanced testing service, encompassing Ion Chromatography, Robotic Titration, and Colorimetric testing. This expanded capability allows us to measure further parameters such as:

Alkalinity, pH, Acid binding capacity, Conductivity, Specific Gravity, Fluoride, Nitrite, Nitrate, Orthosphate, Sulphate, Colour and Smell.


Reef Zlements stands at the forefront of the reef aquarium industry as the sole UK company offering this advanced range of tests. Choose from our Advanced ICP, Saltwater only, Saltwater + RODI tests, or the convenient 3 Saltwater tests Multipack.


Experience unparalleled accuracy and precision with Reef Zlements' advanced testing services, enabling you to achieve optimal reef aquarium conditions and elevate your reef-keeping journey.

Available tests:

  • NEW Advanced ICP*

  • Saltwater only*

  • Saltwater + RODI tests *

  • 3 Saltwater tests Multipack*

* Suject to T&Cs

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