Thanks so much for your reply. I didn't know it was thicker glass. on the rimless tanks. I couldn't wait to get my new fugeray light to allow me to put plants in my 29 gallon so...I bought a 5 gallon fluval spec that says its LED lights are sufficient for plants. I got a few starter plants and its quietly humming away behind me on my desk. So it begins......
Why do you say not to pay attention to total dissolved solid readings? Isn't that a measure of hardness to which fish are sensitive?