Originally Posted by
peewee1
Thanks, Mervin. I will get the TDS machine next week from Amazon and I notice that there is a temp button on it. So I will find out what the TDS and the temperature of the water in my tanks are all in one fell swoop. I had been using my finger to gauge the temp so far. If it feels warm enough it must be warm enough for the fish. The forum is bringing me out of the dark ages of fish keeping. Then, Mervin, when I get the TDS number I will come back to you and find out what it means.