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water hardness

  1. Beginner Freshwater Aquarium
    Hi everyone I'm in the process of setting up a low tech, planted Australian native Rainbowfish aquarium, but have run into some issues concerning the rather weird water found in my area. My water parameters are as follows: pH: 7.7 General Hardness(GH): 44 ppm Alkalinity(KH): 36 ppm A link...
  2. Beginner Freshwater Aquarium
    Firstly I'd like to say HELLO :-D to everybody, I am new have never posted before but have already learned loads from the wealth of information here. Something I couldn't find was much information on rain water so I was hoping somebody out there might be able to enlighten me. Here goes.... I am...
  3. Beginner Freshwater Aquarium
    Hello! Does anyone know a good, safe chemical that lowers water hardness? The hardness of the water where I live is extreme,and it has killed most of my fish so far.
  4. Beginner Freshwater Aquarium
    Greetings all, I recently moved to a new apartment and just set up a new aquarium that i plan on using for African Cichlids, everything is perfect for them, except i have the softest water imaginable. I went out and bought some crushed coral and put it at the bottom of the filter behind the...
  5. Beginner Freshwater Aquarium
    I have never really understood water hardness. What is it, how do you alter it, what effects it etc
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