Ok, I was inspired. Mg is ~1170pm. lol Almost perfect!!

I'm amazed you can balance the other two with mg so low. Maybe your kit sucks or it's diff for reactor folks?

I don't have to dose mg so long as I adjust my water changes to 1400. H2ocean is low. I add 160mL to 10g of new water.

Instead of dosing you could prob raise your water changes up some. What does your mix measure in at?

Not a good idea to mix the Mg and Ca. The Mg will cause Ca sulphates to precipitate and ruin your Ca mix so you'll need a third doser. But many get by with hand dosing as it's not so much once balanced
You can dose the Mg anytime between your other dosing. Just pick a time dead center between your Ca and Alk timers - day or night is fine as far as I know
And if you're not needing to add much (once balanced), you could get by with a cheap daily drip setup, or just dump it in
I don't even know anyone with a dedicated Mg doser ... but I'm sure there's lots out there
I know if I had to dose it I'd have another pump :rolleyes:

Ok so the rest of us following normal reefing parameters, like measuring ph, keeping magnesium at suggested proper level of 1350ppm, using something other than crappy old crushed coral in a reactor and our tanks are not half as nice as yours.......LOL....:lol:

Oh ya and chucking led,s. :lol:


Do you add a magnesium additive to the crushed coral or that level is what it maintains.

Ya, it's a low maintenance tank :) Nope, no additives, that's just where it sits. That's about where it was last year when I measured it.
To be honest, pre 2008, nobody even cared about Mg. Never saw it for sale or saw test kits. It's a recent requirement for tanks. I guess I have older corals, they don't care either -lol

Ya I guess thats it. Im old and dont care about my magnesium either..:lol:

Well, I did just buy a 3rd doser (50ml/min high speed type), so I could do that. But that brings me back to the question of what type of Mg to buy. I could not find that East Start stuff around here. And not sure if I can trust some of the ice melters that I saw online, as they don't list ingredients.

I guess I could just buy more of that Seachem Advantage Mg from J&L, but it is not cheap for the amount I would require on an ongoing basis.

Thats what I used before. I now have bulk dosing from BRS. I find I dont have to add much magnesium to keep it close to 1400ppm.

Which one, Easy Start or Seachem?

Seachem. I used their two part for years and always liked it. Yes agreed with you though, at more expense. I like the BRS products. The magnesium comes as a 2 part to mix in the container. Magnesium sulphate and Magnesium Chloride