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Travis
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Posted: August 28 2004 at 3:57pm |
BTW, kalk becomes your topoff water.
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Shane H
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Posted: August 28 2004 at 10:52pm |
I've been using an peristaltic pump (IV pump) for top off for several years. I love it. I actually pump RO water through a DIY kalkwasser "reactor" for all top off. I have never had any issues with anything clogging. You're welcome to come and check it out sometime!
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Suzy
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Posted: August 29 2004 at 6:50am |
Shane, I wonder if it's what we call a feeding pump. The tubing is somewhat larger. Do you have to replace the bags every once in a while? I can get them from work if there are the same.. Patrick, the tragedy at the fish store is a well kept secret! They really wanted to keep it under wraps, 'cause they make a lot o' moola selling fansy-pansy equipment! I just went in there Monday morning and this beautiful show tank was being emptied! The next time I went there, it was almost totally stocked! I never would have known except I have Mondays off! I only add additives once in a while. Isn't the only thing that must be added daily calcium and alkalinity? I used to use the 2 part Bionic. It's easy to add equal amounts every day or so... What does Chemical Jon use?
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Will Spencer
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Posted: August 29 2004 at 9:52am |
Patrick, If you truely want an automatic system a CA reactor would be the way to go. I wish I had one, but the major drawback is cost. If you set up a CA reactor you really need to get a PH monitor as well. More cost.
You could just do like I do. I do 25% water changes every month and the only additive I give my tank is fish food. I add this daily. Or you could do like I have at my office and get an automatic feeder. I restock it about once a month.
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Mark Peterson
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Posted: August 29 2004 at 11:00am |
Suzy, It's not the first time that LFS has lost that tank. I think it was automatic MH lights or a heater malfunction the other time that I know of. Kalkwaser from a Glug Jug is a great way to go. Improdigal, Other than Kalkwasser at night for topoff, nothing else needs regular dosing. And as far as Phyto dripping, IMO that's unnecessary. Just dump in a couple gallons, let the inverts eat it and then a few days later when the culture is grown again, do it again!
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improdigal
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Posted: August 30 2004 at 5:55am |
oh sure...now ya tell me! After I just finished putting in my fancy-pansy 6 stage filter on a float valve to do my top-offs for me.
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Patrick
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Shane H
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Posted: August 30 2004 at 12:54pm |
Don't confuse an automated top off system and a calcium reactor. The calcium reactor uses water from your aquarium in a closed loop system. No additional water is added. When dosing kalkwasser, RO water, saturated with kalk is added to the system effectively replacing water lost to evaporation. For many systems using kalkwasser alone will be enough to maintain alk and calcium. But you are limited by your evaporation rate. (you can only add as much kalkwasser as you're losing to evaporation). A calcium reactor is not limited except by the size of the reactor itself. BTW, I'm using both. I talked to Eric at MA yesterday and he gave me some more solid advice about tuning my reactor to avoid the necessity of adding kalkwasser. If you're interested in adding a reactor to you system, I highly recommend you take a look at Eric's design. I havn't seen a higher quality reactor available. (and I looked at a lot before I bought one)
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improdigal
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Posted: August 30 2004 at 12:56pm |
Yea, I've seen it. but I've also seen the price sticker. If I can't find another way, I'll save up for one.
One thing though, I didn't think a Calcium reactor would balance alkalinity and PH, just calcium, strontium....
Edited by improdigal
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Patrick
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jfinch
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Posted: August 30 2004 at 1:09pm |
Pat, what does "balance alkalinity and pH" mean to you? We might be able to explain better if we know where you're coming from.
Edited by jfinch
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Suzy
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Posted: August 30 2004 at 1:32pm |
Jon, what do you use?
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jfinch
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Posted: August 30 2004 at 1:48pm |
Right now I'm using kalkwasser. It's not keeping up, so a calcium reactor will be in my near future (or perhaps my own DIY B-ionic , if I can find some cheap MgCl2). About every month I have to add a little CaCl2 and baking soda to boost 'em back up. I try to keep about 400 ppm Ca and 3 meq/l alk. When I had my smaller tank I used B-ionic exclusively. I love that stuff! It's so easy to use, but it can get expensive with a larger tank. In the distant past in tanks with only a few calcifying corals I have gotten by with just kalkwasser. My current tank has too many sps.
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improdigal
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Posted: August 30 2004 at 2:07pm |
jfinch wrote:
Pat, what does "balance alkalinity and pH" mean to you? |
Well I know that when your alkalinity is high, you add Calcium to lower it and that affects PH as well, but is it really safe to control all those levels just from your calcium input?
I guess I don't understand how tightly they affect one another.
I knew extra calcium would lower alkalinity, but I didn't know it that it was a direct relation. So does a calcium reactor really handle ALL your problems (assuming it's eventually adjusted correctly)?
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Patrick
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Mark Peterson
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Posted: August 30 2004 at 3:31pm |
Pat, you don't have enough hard coral to worry about a Ca Reactor, but using Kalk for topoff would definately be a plus.
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improdigal
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Posted: August 30 2004 at 4:15pm |
Mark Peterson wrote:
Pat, you don't have enough hard coral to worry about a Ca Reactor. |
but I will
I'm finishing my canopy this week and will have 3-250 MHs and 2 6' VHO actinics. I plan on starting to get some real coral now.
Already have the automatic top-off system installed with the 6 stage RO filter and float valve, so I'd need another solution, even if it's Kalk and a IV pump adding specific amounts regularly.
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Patrick
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Travis
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Posted: August 30 2004 at 4:41pm |
A calcium reactor will provide both alkalinity and calcium to the system in a balanced solution. They should really be called Calcium Carbonate Reactors.
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jfinch
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Posted: August 30 2004 at 6:21pm |
Well I know that when your alkalinity is high, you add Calcium to lower it and that affects PH as well, but is it really safe to control all those levels just from your calcium input?
Calcium and alkalinity (for this discussion I will refer to alkalinity as carbonate) are two independant entities. They are like teenage boys and girls. They're different, but constantly looking to hook up together . Calcium reacts with carbonate (CO3) to form CaCO3 coral skeleton, coralline algae, or "hard water deposits". It just so happens that the pH of seawater is more or less controlled by the carbonates (both the amount and type) floating around in it (for reasons I'll discuss, but might cloud the issue). If you remove carbonates (coral growth, ect) from the water the pH will drop. If you add carbonates (buffer) to the water the pH will increase. Both calcium reactors and kalkwasser add equal amounts of calcium and carbonates to the water (i.e. balanced). If you have a steady, constant amount of carbonates in the water you'll most likely have a more steady pH.
The reason why adding extra calcium lowers alkalinity is because that extra calcium reacts with the carbonates and is precipitated out of solution as CaCO3. This then lowers the pH.
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improdigal
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Posted: September 04 2004 at 1:35pm |
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Patrick
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