My alk. is to low...

[adacaro]

My alk color is green on the chart instead of blue, and my cal. reads 550 What can I do. I have been using marine kh buffer reef-pure with no results.

 

[cmor1701d]

You may want to check out these articles tank chemistry:

Alk-CHEMISTRY AND THE AQUARIUM

Calcium-CHEMISTRY AND THE AQUARIUM

The Relationship Between Alkalinity and pH-CHEMISTRY AND THE AQUARIUM

Solving Calcium and Alkalinity Problems -CHEMISTRY AND THE AQUARIUM

 

[melosu58]

When was the last time you did a PWC. If it`s been a while I would do one and check your results then.

 

[adacaro]

i do water changes every two weeks 10 percent on a 75 gal