The Planted Tank Forum - View Single Post - Would this be considered a good way to raise hardness?
View Single Post
Old 10-16-2012, 10:10 AM   #3
acitydweller
ओं मणिपद्मे हूं
 
acitydweller's Avatar
 
PTrader: (173/100%)
Join Date: Dec 2011
Location: New York, NY
Posts: 7,651
Default

I'd skip the calcium carbonate(cuttlebone) as it would raise KH as well as GH. Magnesium sulphate (MgSO4) or Epsom salt will raise GH without altering KH. Used in a ratio of 1:3 with CaSO4 (Calcium sulphate) or plaster of Paris. Use 1 part MgSO4 to 3 parts CaSO4 to make your own GH booster.

Expense isn't so much of an issue as effort and time because the cost of these materials would likely last longer than a $18 bottle of shirakura CA+.
__________________
The Aquatic Plant Society - Our first meet in 2014 will be in July. Stay tuned.
Curator of the NY/NJ/CT LFS & CO2 Directory
Namaste
acitydweller is online now   Reply With Quote