bromothymol blue

  1. Zak Rafik

    Co2 Drop checker position. Is it 10cm to 15cm from the surface OR 2cm to 3cm from the substrate?

    Hi everyone, What is the best position to place the Co2 drop checker in a planted tank? I have read from two reliable sources with vast difference of opinion on this matter. I don’t wish to name them as I don’t want to point fingers but rather learn from their experience. One (A) says to place...
  2. Vivian Andrew

    Which percentage bromothymol blue for CO2 Indicator

    Hi, Which percentage bromothymol blue i need to buy for using in co2 indicator?
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