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What does your scrubber remove that you need to replace

Discussion in 'General Discussion' started by TbyZ, Jan 15, 2017.

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  1. TbyZ

    TbyZ Member

    I've read the thread 'Dripping Potassium & Iron' in the Advanced topics section.
    These can be depleted by a scrubber. But not in my system. I measure potassium, no reduction at all. Iron depletion isn't a problem either it seems as my algae growth couldn't be greener.

    I do have to add bicarb, specifically as a result of photosynthesis, as I've described in my thread here 'Established Scrubber & Alkalinity levels'.

    What elements are removed by a scrubber that should be replaced, especially if no or irregular water changes are performed?

    I did read something about iodine & manganese, but it was just a comment in a thread at another forum, so how accurate it is, who knows.
  2. trivodi

    trivodi Member

    i dont mesure potasium and iron but i dose them anyway also iodine and trace elements, I dont measure for them either. I've been doing it for years and I do 10% wather changes weekly

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