PH has dropped, KH is 0

Discussion in 'Water Chemistry' started by DEL 707, 29 Oct 2019.

  1. DEL 707

    DEL 707 Member

    Joined:
    18 Jul 2009
    Messages:
    77
    Did a 50% water change on Sunday and turned my CO2 back on today, had it on really low. CO2 had been off for a few days to let my shrimp acclimitise.
    Tested my PH and it's dropped down to 5.7, KH is 0, GH is 6.

    Not sure what's gone on, I did my normal water change, RO water with Salty Shrimp GH/KH+, I did top it off with a little straight RO, but I would say that it was less the 5% of the water change.

    I've turned off my CO2 to see if my PH rises, but why has my PH dropped so low and where has my KH gone?

    Is this something to do with my Tropica Aquarium Soil?

    Tanks 55l, only things in it are plants and cherry/amano shrimp.

    [​IMG]
     
  2. oscarlloydjohn

    oscarlloydjohn Member

    Joined:
    8 Apr 2018
    Messages:
    212
    Location:
    Bristol, UK
    Tropical soil is designed to remove KH, as are all active soils. This is useful for crystal shrimp keepers.

    You should start using salty shrimp GH+ with an active substrate as there is no point in adding unnecessary KH because it will just be removed.

    Oscar
     
  3. DEL 707

    DEL 707 Member

    Joined:
    18 Jul 2009
    Messages:
    77
    What about my PH?
    My RO waters PH is 5.3, will the soil raise it?
     

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