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water hardness
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  1. Fertilizers and Water Parameters
    Seiyru stone is gorgeous, no problem with that. But it alters the water parameters. In my tanks, i notice a TDS increase, and a GH increase. So the question is : by how much does it do that? In order to answer that question, i'm devising an experiment to figure out that. Here is the idea : i...
  2. Fertilizers and Water Parameters
    I've got a pretty high KH of 15 (London water). I know boiling tap water in kettles can be used to remove temporary carbonate hardness, and was wondering if it would be viable to mix boiled water and tap water together in an aquarium to reduce the Kh levels and soften the water a little?
  3. Fish
    I'm struggling to figure out what GH I need to dial in for my tank, and I'm getting conflicting information from different sources. I've checked out SeriouslyFish, but they seem to be more liberal with their numbers. The Aquarium Wiki is more precise, but doesn't have real great citations. And...
  4. Fertilizers and Water Parameters
    Got a new test kit in today to test both General Hardness- GH (permanent hardness) and Carbonate Hardness - KH (temporary hardness. I cannot for the life of me figure out what would be making my tank water so much harder than the tap water I'm adding. Any suggestions? Here is all the data you...
  5. Equipment
    i dont need 100% pure water but i just want soft water for my rams so that i can breed them. is it okay to buy a cheap RO unit for like £40 -£60. alot of people say you should buy a £100 RO/DI unit but never tell me why its better than the cheaper ones. i was looking to buy either this -...
  6. Fertilizers and Water Parameters
    What do you use to harden up your water? I've heard of Epsom salts, iodine..
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