I read in a reef2reef forum of someone stirring this pickling lime into their RODI top off and that's all they used for years. His tank looks great and it seems like such a simple DIY (kinda) kalkwasser.
Amazon.com : Mrs. Wages Pickling Lime (1-Pound Resealable Bag) : Complete Canning Kits : Grocery & Gourmet Food
Amazon.com : Mrs. Wages Pickling Lime (1-Pound Resealable Bag) : Complete Canning Kits : Grocery & Gourmet Foodwww.amazon.com
Pickling Lime, is, in effect, kalkwasser, and its a heck of a lot cheaper.
Good to know thanks!Kalk is really hard on pumps. It’s cheap but it has its limits. If you have a large tank it’s not a good solution.
Kalk for the aquarium is cheap I would risk using something that’s for gardening to save $20.
If you are going to use kalk you should use it with a doser and not your ato. That way you can control what you are dosing.