Yeah, I've been following this, too, and would like a better idea of what my costs would be. If I went this route, what would be my total start up, and then ongoing costs per year for a 230g system? You can exclude hardware.

I have a few clams large Sps colonies large Lps colonies and about 80 frags,

I figure me 5l container will last 10 days 2 fills will be 20 days so about 50 a month maybe for additives ?

I was going through a 20 pound bottle of co2 in just over a month before cost was 28 to fill plus the hassle of two trips to the place that did it. I kept my reactor in case this doesn't pan out but we will see.

Thanks. But wow, that is a lot of C02 in a month... But you do have a large system.

I dose alk and Ca, and just recently had to start doing Mg as well. My dosing costs keep rising as my SPS grows, but for now, still a lot less than your new TM method, even when extrapolated down to my size system. But I acknowledge there may be other benefits, too.

I totally agree there are cheaper other options/ routes to go I did more less for simplicity. If I am away working/ fishing any one can drag out the scale and add 400 g part add swirl and walk away. Don't have to worry about baking making soda or anything. I a, new to the dosing thing but may end up going to a simple recipe.

There is no definitive answer to this because the draw on the elements are based on your coral loading more than anything else in the average size tank with larger tanks such as blue tangs the huge water volume also comes into play but once at saturation or rather peak values the dosing amount will stabilize.

Blue tangs tank is a very unique in terms of size so it will be disproportionately higher than average.

No its probably not the cheapest system but its the best, and within reason thats what matters.

How's everyone else liking this, been a month and half tank levels are stable and stuff is growing. Happier then the calcium reactor.

I haven't seen any noticeable change other than Mg being stable (relative to 2 part). Colors and growth are consistent, can't say whether 3 part made it better or not since I changed my lighting too and things went to crazy growth mode.

The main thing you will see if stability, coral colour change is subjective to many variants, but in time as your system become less out of balance you will see increased growth.

Hey Michael,

so just clarify for me if you would :) I tested the tank and have 415 Ca, 8.8 Alk, 1155 Mg. So my understanding is I should bring my Alk down to 7-8 and my MG up to 1300 before starting to dose the 3-Part system in unison. Now do I continue to manually dose the Part A to keep my Calcium up, and dose the Part C a little heavier (but no more than 125ml according to the box) to get my Mg up? That means I'd not dose Part B since I want my Alk to come down? I made a 2x concentration 1L solution of Part C that I am dosing with to get the Mg up.

Thank you for the clarification. I am all in to the ™ system now. Salt, 3-Part… GHL doser haahaa.

Anyone watch Breaking Bad :)

http://www.lithicimages.com/photos/i...-JRVw5Xt-L.jpg

worry about one element at a time, bring the ALK down to below 8 and then test the Ca, your Ca will rise slightly due to the relationship of ALK to Ca, (too much alk = lower or suppressed Ca and visa versa.)

Once you have those two balanced then the MG will rise to a degree and then you can balance this.