Originally Posted by StirCrazy (Post 265314)

I went from bi-weekly to monthly to every 2nd month sometimes every 4th, depending on my work schedual of when I was home or not. I was running hte guantlet of kalk reactor, Ca reactor, skimmer...... so I was not doing water changes fo anyuthing other than people said I should as my water was never deficient in good eliments or in excess in bad. Aside from maybe stuff we cannot measure. Do I believe in them, yes. do I think you need to do it every week/two weeks/moonth/year ect... it depends on your tank and what you have in it and what equipment you have supporting it.

Steve