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Nilsen reactors don't work the same way as a still kalkwasser reservoir. In a still reservoir one can adjust the strength of the solution by dissolving the desired amount of calcium hydroxide. Reactors tend to deliver a more full strength solution as every time the Osmolator pump injects water through the angled inlet into the reactor it mixes the powder in the bottom. I have the 5074 and it works well, but I didn't use it until my tank's demand required full strength kalkwasser.
I am following along as I have the same questions/concerns using the Tunze 5074 as well. Maybe @SunnyX can assist us with these concerns as I believe he uses this device and method as well and has great success implementing this?@rvitko
I just picked up a 5704 for use with my 225gal. Midrats explanation above fits with my understanding but would like you to confirm for me, please!
I believe the way the dispenser works is that you “oversaturate” the kalk into the dispenser, which holds relatively little water volume, and each time the ATO runs it pushes fully saturated kalk out to the DT and fresh RODI comes in which “consumes” some of the kalk sediment at the bottom and saturates it.
If this is the case - why is the size of ATO or size/consumption of tank relevant? Doesn’t this product simply dose fully saturated kalk at whatever rate your tank is evaporating, and thus being refilled by the ATO with fully saturated kalk? I’m struggling by to understand why it matters if you use 2tsp in the dispenser or 4tsp, since the water becomes fully saturated either way - it seems the amount of kalk added simply dictates how long before you must add more kalk.
Am I missing something or is this correct?
Thank you!
A gallon of water consumes around 3/4 teaspoons of kalk to achieve saturation, the reactor is designed to hold no more than 4 tablespoons of kalk, at higher levels of kalk, at first you get a supersaturated slurry, typically beyond 4 teaspoons, so you do add a bit more at least at first, there is less room for the powder to settle and not be ejected undissolved. If you use a lower dose, their is more room for the slurry to settle and so you tend to only dose the saturated solution, but for the most part, however much you add divided by 3/4, is how many gallons of water that batch will treat.