Re: Re[2]: Mineral blocks
Ted Northrop (ted at astro.ocis.temple.edu)
Wed, 10 Jul 1996 10:22:38 -0400 (EDT)
On Tue, 9 Jul 1996 GWLANG at ccmail.monsanto.com wrote:
stuff del......
> levels without too much problems. If you are really trying to increase
> the hardness you have to make sure that you have a lot of surface contact
> with the coral or shellgrit, ie in a filterbox or powerfilter. Coral,
> since it has more pores seems to work easier than shell grit. Also
> depending on your initial GH you may or may not be able to raise your GH
> a 100 ppm. With harder water you tend to be closer to saturation and it
> will take a much longer time to go into solution (calcium carbonate as a
> calcium source).
Well the other benefit of using crushed coral is that when in the power
filter or box filter it is a good size that does not readily compact as
shell grit and is much more porous so it allows beneficial bacteria alot
more space to colonize. And keeping water quality up by keeping ammonia,
ammonium, nitrites, down to zero at all times is one of the most
important factors in keeping fish.
Ted