aragonite

Hi I've recently had an emergency in a relatively new 60 gallon tank of Africans. I have a 46 gallon acrylic tank that I set up about 4 years ago. It has about 40 lbs of fine aragonite sand. During the crisis in the 60 gal tank, I discovered my pH kit and the addition pH raising buffer were...

I have a tank that is CONSTANTLY/always dealing with low kH issues. It's the water in my area. I'm worried about pH shock for a new, juvenile tankmate next time I have to do a substantial water change. Trying to decide if I should multi-task the function of a new decoration I must acquire for...

My kH has been a problem for a good long while now.  Unfortunately the tap water in my area has very low kH, based on both internet resources and my own testing on multiple occasions.  The highest I've ever gotten it is 1 or 2, which is equal to what comes out of the tap.   To increase my kH...