gh level

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?

Hello Shrimp People! I'm looking to start keeping some Cherry Shrimp and would like advice for the best water conditions for healthy shrimp to live in. Info like what water test are needed and how often water changes are needed and what percent, water temp, plants they like best and any...