Description
We recommend you increase your selenium with the Atoll Small fish Diet.
But if you need to dose it, here you go!
We have found that you just need to have some selenium present and ranging from 0.18-0.3 ppb is perfect.
We have also found that higher selenium tends to support algae growth and HIGH selenium of about 3 ppb can cause urchin mortality.
ICP MS test is required to dose selenium
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