waterchange

Hi all, about 2 -3 months ago I posted a thread on here about moving to a location where all I have access to is rainwater for my fish tanks. I got some great answers and help, but I'm back to ask for more ideas. So currently, I have three tanks, 2 2ft and 1 3foot tank. The info I got from my...

Anyone ever experience sparkly water? I take it is my "tap safe" because it seems to be blue and have a slight shimmer to it but I've never noticed it this much before!

My Fishing has been doing this right after I did a 50% water change. My water is well Oxygenated. Someone help, im supposed to sell this fish soon, it cant die !