1. B

    Kh and carbonate hardness

    Hi. I was having some BBA that I couldn't get rid of. After increasing micros dosing I saw some improvement on eleocharis but then BBA started expanding. So then I thought it could be a CO2 problem afterall. :) I have a cheap PH controller that seems to be doing a good job, calibrated with...
  2. Sangeeth Ramanunni

    Pottassium Carbonate Confusion

    Kh is 1dkh and Ph is 6 for my well water. So when I increase CO2, the Ph drops drastically and the fishes star to struggle. I have been adviced to raise the KH by adding Pottassium Carbonate. I need help on the following matters. 1) I am using teaspoons to add ferts. But when I try to...
  3. T

    Calcium Carbonate vs Calcium Sulfate

    I recently switched to using an RO system due to severe inconsistencies in my tap water quality. I've been using GLA Ultimate GH booster. My assumption was the calcium would also raise kh, however it's calcium sulfate. Is there a significant difference between calcium sulfate and calcium...