EC 0,55 pH 7,48 and they said we have one the best quality drink water in the whole world. They wrote an arcticle where claimed that the water is purified so there is no need for adding neither chlorine nor chloramine to it. Do not know if this is true, but noticed any diference between leaving the water sit for 24hrs and giving then a nice shower straight from tap. I think there is no need to use RO untill it causes huge issues like lockouts or burns. There are problems like buffer capacity of RO water is shit and after adding nuts your pH is in hell (for soil) and you need to add pH up in quite big doses so it again raises your EC and have not spoken about calmag yet. You need to look at your water after adding your feed and other stuff, because there are a lot of chemical reactions and other things only God knows. And if you are in range and your plants go well, than you have water good enough. You can drink it, so your plants...