Simple method of dosing alk?

[ponokareefer]

Originally Posted by Aquattro

There is no easy way, it's either kalk reactor, Ca reactor, dosing pump system or dumping baking soda. Lowest tech method would probably be using kalk in your top off water, depending on how this is done on your system.

I manually add top off into my system, so that wouldn't simplify the process. Both reactors are too large for the area I have left under my system. Any idea what you need to buy or need with a dosing pump system?