This is good advice if the OP is growing in soil.While there are many who want their base to be as pure as possible, I find my 40-50ppm water to do very nicely. The threshold is debatable, but under 150ppm should be considered just fine for many. Others not so much.
As far as growth, low very ppm vs. moderate ppm, can't imagine there'd be a difference.
When you need 5+ gallons, tap becomes very convenient, especially if you grab a 5 gallon jug initially from a store. If your source uses chlorine and NOT cloramine, you can simply fill a jug and leave uncapped for a couple days, chlorine evaporates fairly quickly. Those are the pros for me.
Hi I'm growing in, cana coco?This is good advice if the OP is growing in soil.
Thank youAny medium that isn't soil requires very close attention to pH and ppm. First advice.. don't adjust pH until after you've added your nutrients. Any medium that isn't soil typically requires lower pH that soil. If your going to try and use your tap water test the ppm of it. If it's over 150 I honestly would bother using it for hydro, but ultimately it's your call. I use an RO system that brings my ppm down to about 2. In other worlds, the only thing in my water is what I put there. Hope this helps.