water hardness

  1. Jan Cavalieri

    Conversion factor for Hardness and Alkalinity (K)

    Looking at our city's most recent water report they list the following: Avg pH 9.4, Range 8.5-9.9 Avg Total Hardness (as CaCO3) 189, Range 110-282 ppm Avg Total Alkalinity (as CaCO3) - 96, Range 47-138 ppm The scale the website where I buy fish from lists the KH (which I believe is the...
  2. Jan Cavalieri

    What is going on with this tank

    It's Jan again - long story ahead, I know you love it: I recently purchased a new tank to break up a group of peaceful and aggressive Gourami's as well as most likely purchase a few new fish. So purchased a new 29 gal glass tank. It has a lovely heater I've been keeping at about 78 degrees, a...
  3. Jan Cavalieri

    What is so important about water hardness?

    Before I started my first aquarium I did about 2 months of research - mainly reading books. My needs were simple I wanted a peaceful community tank. But it's not all about the fish. Anyway - all the books and online articles had extensive information on how to cycle your tank so I was quite...
  4. no_robotocha

    Why is my (soft) tap water becoming hard in the tank?

    New to this and new tank - after weeks of prep, finally have neon tetras in. Testing the water, all seems fine except for the water hardness, which is measuring at the hardest on the scale (180). We tested our tap water and this had a very soft measurement (20). We now have a new tank filter...
  5. SmokedPaprika

    Ph, Gh, Kh - Help A Newbie Understand?

    Hi guys   I'm new here so if there is a topic or article on this somewhere else, please feel free to link me to it and move or delete this thread; I did do a search but couldn't find what I was after.   OK, this is going to sound stupid, but I've seen a lot of articles mentioning that different...