Planted Tank Obsessed
Join Date: May 2019
Location: Palm Springs, CA
Hi there, and welcome to the forum!
If you're new to the hobby and are wanting a low tech tank with some hardy fish, I'm gonna be the naysayer here and suggest that you make it easy on yourself and just go with plants & fish that will thrive in (not just tolerate) your hard tap water. If your LFS uses 100% tap water, then they should be your go-to source for both plants & fish. But I would question your LFS to make sure they actually use 100% tap water, and aren't using a combination of tap & RO. I live in the desert with very hard water, and my LFS and some of the local breeders they buy from do 50/50 tap/RO, but they do acclimate some of their tanks to 100% tap water. Lots of beautiful plants & fish prefer hard water, so unless you've got your heart set on certain plants or fish that will only do well in softer water, you'll do fine with straight tap water--and save yourself a lot of work & money.