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Anonymous

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A device by which one drips kalkwasser into their system (their tank, not "their" system).
 
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Anonymous

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Kalk is Calcium hydroxide mixed with fresh water. It is dripped in at a rate to replace evaporation, and keeps calcium, alkalinity and ph hopefully appropriate levels.

A calcium reactor is a more complex and expensive system that receives water from the system, lowers the ph of the water through carbon dioxide injection, and passes the water over calcium carbonate, which then dissolves a bit and the effluent is returned to the system.

A beginner should start with kalkwasser, in my opinion.
 
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Anonymous

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Just to add to the confusion, there are also kalk reactors, sometimes called Neilsen (sp?) reactors. They just keep the kalk nicely mixed while it's dosed.
 

jandree22

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long story short, you can't just dump a gallon of kalkwasser solution into your tank... all the params get messed up. therefore people drip kalkwasser slowly over the duration of hours.

you can make a dripper with a cleaned out 1gal. milk jug and a couple feet of airline tubing attached w/ a knot to control the flow. this is a really ghetto way of doing things, but it's a freebie. if you don't mind spendin some cash there are nicely designed systems on the market already made
 

leftovers

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To be a bit more specific just poring in Kalkwasser will rapidly raise your pH and can cause pH shock.


A Kalkwasser or Neilson reactor will mix kalk and freshwater to provide a constant source of premixed make up water. They are usually connected to a dosing pump that feeds a slow but constant amount of water through the system to the tank. There are a variety of the on the market as well as designs for DIY reactors.

A drip system is any plastic bucket or container with a control line that is gravity fed or uses water pressure/syphon to feed tank e.g. when water falls below feed line air is able to get into container allowing make up water/additive to flow down into your sump.

A Calcium reactor uses aragonite and percolates CO2 throught it which creates carbonic acid which desolves the aragonite releasing CA and Mg and alkalinity (caco2/3) back into the water. Only saltwater is used in a CA reactor. It too uses a pump to slowly force water through and out.

Those are the three components you might typically see on a medium to high end system.

There are also just dosing pumps which are peristaltic that are on controllers or magnetic float switches that turn them on at either intervals or when water level falls below a certain level.

enjoy
 

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