wrote in message
...
yes and yes. keep it at just detectable,

OK, been trying to keep nitrite below 1, so far so good.

but also be sure to match the temp when
changing water. sharp drops in temp bring on ich. Ingrid

I keep my water in a plastic tub overnight before change, so temp should be
the same as tank.


Thanks for all the help. Hope this is the last I see of those spots!

JS.