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Selenium - Se

Selenium levels found in sea water are 0.000085 ppm

Acceptable Selenium levels in your aquarium should be no higher than 0.15 ppm 

Atomic Number: 34
Atomic Name: Selenium
Atomic Symbol: Se
Sea Water Value: 0.000085 ppm Specific Gravity: 4.79

 

Selenium levels in your aquarium:

Dosing of Selenium is recommended in its anionic form, as it is needed at trace levels by aquarium organisms for various biological processes. Slightly elevated levels of Selenium are acceptable in most reef systems.

As usual, regular water changes using a good quality salt mix is recommended for maintaining Selenium at a level conducive to optimal system health. Some systems will benefit from additional dosing.
 

The Elements

Element Info.

 

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