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Old 12-10-2010, 11:18 PM
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Myka Myka is offline
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Location: Saskatoon, SK.
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I use two Drew's Dosers from BRS for calcium and alkalinity, these dosers don't back siphon at all. I have them each hooked up to a digital timer. I use the Fauna Marin balling salts. I dose magnesium into my water change water, and am now just noticing this isn't keeping up anymore, so I should buy a third doser. These dosers aren't as cool as the Profilux with all the digital fanciness, but they are reliable and are much more cost effective than the Profilum SA dosers. I was looking at Profilux, but decided on Drew's Dosers because I couldn't justify the extra cost.

When comparing how much each person doses, keep in mind that people use different concentrations. I mix up a 5 gallon pail of each solution that I keep sealed to prevent evaporation. I have 3.5 liter jugs attached to the dosers, and I just use the 5 gallon pails to fill them up. I dose about 80 mL of each solution per day split into 3 doses. Calcium during the day, and alkalinity at night.

I don't get any sort of crust on the ends of the tubing, the ends are out of the water. I hooked up these dosers in April I think, I haven't cleaned them yet, and it doesn't look like they need cleaning.

Oh, and the "chambers" are just expensive containers to hold the dosing solution. I use Rubbermaid containers with a small hole drilled in the top for the airline tubing.
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Last edited by Myka; 12-10-2010 at 11:27 PM.
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