sciencefiction
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- 26 Feb 2013
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Yes, water changes can be beneficial but are not normally necessary. You aren't trying to remove the ammonia or nitrites with them, because you dose ammonia 
With soft water however, you may need to refresh it to keep the Kh at bay, otherwise the Ph can crash.
Well you don't need exact measure because knowing the concentration of ammonia you use and the tank volume, you calculate the ammount of ammonia needed to achieve a certain ppm concentration. From then on you can just dose every so often or use a liquid test kit to tell you whether the ammonia is near converted or not if you've nothing better to do, and then dose, same for nitrItes after. Liquid test kits are good enough for that.
My last fishless cycle went with 2 tests, one in the very beginning and one in a few weeks time to see how I was getting on and it was done by then.
With soft water however, you may need to refresh it to keep the Kh at bay, otherwise the Ph can crash.Well you don't need exact measure because knowing the concentration of ammonia you use and the tank volume, you calculate the ammount of ammonia needed to achieve a certain ppm concentration. From then on you can just dose every so often or use a liquid test kit to tell you whether the ammonia is near converted or not if you've nothing better to do, and then dose, same for nitrItes after. Liquid test kits are good enough for that.
My last fishless cycle went with 2 tests, one in the very beginning and one in a few weeks time to see how I was getting on and it was done by then.
