I haven't used kalk in many years but when I did I just let it gravity feed into my sump. Now there are kalk reactors, kalk stirrers, kalk in ato, all using water pumps or dosing pumps. I don't even want to get started on all the conflicting info about storing it (stir it once, use only the clear, stirrers mix with CO2 and degrade kalk, reactors dose a slurry, ect.).
I understand kalk is caustic and can harm pumps. I have heard of people using a dosing pump to pull water from ato and push it through a kalk holding container and into their tank. The problem I see with that is the kalk in the container will become less saturated the more fresh water that is pumped in. Eventually wouldn't there be nothing but fresh water in the kalk container?
How about using almost the same set up as a gravity feed kalk system? Instead putting the container lower than the tank to stop constant siphoning and using an air pump (with a timer or controller) to push the kalk out of the container using pressure? Why spend all that money on reactors or stirrers when this could be done so easily and have the same control? You would not actually be adding CO2 to the kalk because the air pump would just add air to the top of the sealed container and force the kalk out of the tubing same as this diy set up in the brs video. Also nothing to wear out.
I understand kalk is caustic and can harm pumps. I have heard of people using a dosing pump to pull water from ato and push it through a kalk holding container and into their tank. The problem I see with that is the kalk in the container will become less saturated the more fresh water that is pumped in. Eventually wouldn't there be nothing but fresh water in the kalk container?
How about using almost the same set up as a gravity feed kalk system? Instead putting the container lower than the tank to stop constant siphoning and using an air pump (with a timer or controller) to push the kalk out of the container using pressure? Why spend all that money on reactors or stirrers when this could be done so easily and have the same control? You would not actually be adding CO2 to the kalk because the air pump would just add air to the top of the sealed container and force the kalk out of the tubing same as this diy set up in the brs video. Also nothing to wear out.