Ro / DI Poll

[medican]

Hey......

When I first started my reef tank I used strait tap water.....
My tank was a mess. TDS aprox. 160. Then and now and forever I am using RO/DI in tank and piped to fridge for the family.....everthing is great tank took awhile to clear up but did......now diatoms are comming back havent checked TDS (will tonight) time to change filters imthinking

OH yes....with filter running mt TDS is 1

Richard