View Full Version : Single doser better for ALK or Ca?
Reeferon
10/04/2009, 06:17 PM
I have a single kangaroo doser. I want to use it to add chemicals to my tank.
I believe it would be better to add Alkalinity, and not Calcium, with it. What do you think?
kybreos
10/04/2009, 06:24 PM
you should use it to dose kalk instead. you dont want to dose 1 or the other your system would get out of balance
Reeferon
10/04/2009, 06:54 PM
i could just manually dose calcium. i think it would be better to have alkalinity rock solid.
To my knowledge constantly dosing kalk depletes magnesium. so then i would have to manually dose more magnesium on top of that.
stanlalee
10/04/2009, 07:10 PM
alk would be much better to put on the doser and dose ca manually until you can get a second doser. if you need a doser i doubt kalk will keep up and you'll still be manually dosing both. with carbonates being used up so much faster and the consequences of falling drastically being so much greater its a no brainer if the chose is either or.
belgian_waffleman
10/04/2009, 07:59 PM
put the alk on the doser, is it adds to the tank at a slow, thus preventing PH spikes. For the calcium supplement I just dump it in manually.
My doser is programmed to dose ,starting at 3am and ending at 7AM. evenly spread out it adds about 150 ml's
I add 200ml of calcium at night (11:00PM)
Waffleman
Nanook
10/04/2009, 08:34 PM
[moved]
Henry Bowman
10/04/2009, 08:40 PM
i could just manually dose calcium. i think it would be better to have alkalinity rock solid.
To my knowledge constantly dosing kalk depletes magnesium. so then i would have to manually dose more magnesium on top of that.
+1 Agreed !
Randy Holmes-Farley
10/05/2009, 04:46 AM
Between calcium and alkalinity, I'd use a doser for alkalinity as it changes a lot faster and dosing it all at once might impact pH substantially (if it is baked baking soda, for example). :)
Reeferon
10/05/2009, 08:59 PM
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