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This is a discussion on Kellsindells build... within the Saltwater Journals forums, part of the Aquarium Photography category; --> also, you mentioned that you don't add any other supplements aside from Alk buffer... but you keep corals? I mean I see the pics, ...

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Kellsindells build...
Old 11-14-2008, 04:46 PM   #41
 
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also, you mentioned that you don't add any other supplements aside from Alk buffer... but you keep corals? I mean I see the pics, and your tank looks great, but don't the corals need other supplements, like calcium, magnesium, maybe even a pH buffer?

I'm no expert on it, Pasfur and Steve know a lot more, but I do know that pH, Calcium, Alk, and Magnesium are all inter-related. Maybe one of the others is out of whack, and that's whats causing your Alk to be unstable? Just a thought, anyways. From what I've heard its not uncommon to have high Cal and low Alk, but if you're not supplmenting Calcium, then I doubt your levels would be through the roof. Maybe you're low on Magnesium? Again, just guesses.

I'm not brave enough to try corals myself (nor rich enough, yet ), so I can't give you any advice unfortunately. But I am curious about how you are successfully keeping a reef tank by only supplementing Alk!
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Old 11-14-2008, 08:52 PM   #42
 
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cool, yeah good job on recognizing that you should make the refug as big as you can, at least 10% of the tank's volume... thats the biggest mistake I made with mine.

I used a 30 gallon tank for the sump, and divided it into three chambers, intake/skimmer, return pump, and refug. Ended up with about 6.8 gallons of water in the 'fuge for a 90 gal tank, so its probably too small to really be effective . But I tossed some cheato in there anyways just in case it can do SOME good.

Once you start tossing in baffles and such, it really starts to eat away at the effective space you have for the actual chambers, so again I'd recommend getting as large of a tank as you can squeeze under your stand, because you'll want it. Are you gonna put a skimmer IN the sump? If so, be sure you are aware of the footprint requirements and make enough room for the skimmer chamber, and definitely baffle that bad boy off from the return pump, otherwise you'll have a shower of micro bubbles in your display.

Depending on how much plumbing you want to do, one cool design that I read about and adopted is to have the return pump chamber in the middle, and the skimmer on one side with the 'fuge on the other. Then, split the incoming water between the two outside chambers, and put valves on them so you can control how much water goes into each. That way, you can direct most of the water to the skimmer chamber, and have a real slow, controlled flow through the refugium. You won't really need multiple baffles between the refug and the return chamber, just between the skimmer and return.

Post up some measurements or plans when you nail your thoughts down, and I'd be happy to let you know what I think!

I'm actually building the whole sump from scratch. So i can make it as big as i want to(or that will fit unde the stand well easily enough) and i am aware of all the plans for the skimmer. i think i'm going to use a skimmer stand for when i upgrade the skimmer at a later date.

I was planning on doing the dual outside and return in center, but stil not sure yet, we'll see.
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Old 11-14-2008, 08:57 PM   #43
 
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Originally Posted by conger View Post
also, you mentioned that you don't add any other supplements aside from Alk buffer... but you keep corals? I mean I see the pics, and your tank looks great, but don't the corals need other supplements, like calcium, magnesium, maybe even a pH buffer?

I'm no expert on it, Pasfur and Steve know a lot more, but I do know that pH, Calcium, Alk, and Magnesium are all inter-related. Maybe one of the others is out of whack, and that's whats causing your Alk to be unstable? Just a thought, anyways. From what I've heard its not uncommon to have high Cal and low Alk, but if you're not supplmenting Calcium, then I doubt your levels would be through the roof. Maybe you're low on Magnesium? Again, just guesses.

I'm not brave enough to try corals myself (nor rich enough, yet ), so I can't give you any advice unfortunately. But I am curious about how you are successfully keeping a reef tank by only supplementing Alk!
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Originally Posted by Kellsindell View Post
I'm adding alk buffer to the tank, and nothing more for now and the occasional feeding.

I am not using anything else "right now". my Calcuim is about 460ppm and my mag is 3x that as it should be and my ph is about 8.0 most of the time with the lights on. i think it may be my salt is alk difficient because everything else is fine. I check all my parameters and alk is all that's suffering.
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Old 11-15-2008, 07:34 AM   #44
 
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Thanks to this wonderful calculator that i found, i now have a better method of increasing my dkh. i'm using unbaked baking soda (not baking powder) to increase it and i've gone from 7dkh to 9dkh and everything is looking so much better.
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Old 11-15-2008, 07:57 AM   #45
 
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Oh, also for my sump, i think i'm going with 32 or 36x11x13 as for what the size of each chamber is going to be i still haven't decided. when full the sump/refugium will hold roughly 20g with 32in or 22.5g with the 36 in. i want to make sure the sump will go under the tank with ease so i'm going to be doing more measuring.
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Old 11-16-2008, 01:03 AM   #46
 
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Wow, I cant believe I missed this thread for so long. Sorry Kell, I've been quite busy preparing for the big move. Keep me posted on your alk problem and you should be adding Calcium and magnesium to that system. I cant believe with the stony corals in there that you can keep stable levels without any supplementation. I'd double check your water with a friend or fellow club member's test kits. are there any other supplements you're adding besides the alk? As for your Salt, what brand are you using, and what do you have lighting that tank?
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Old 11-16-2008, 05:51 PM   #47
 
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Wow, I cant believe I missed this thread for so long. Sorry Kell, I've been quite busy preparing for the big move. Keep me posted on your alk problem and you should be adding Calcium and magnesium to that system. I cant believe with the stony corals in there that you can keep stable levels without any supplementation. I'd double check your water with a friend or fellow club member's test kits. are there any other supplements you're adding besides the alk? As for your Salt, what brand are you using, and what do you have lighting that tank?
I've checked my mag and calc and they are both on the high side, which is why i stopped dosing them it's only been about 4 or so days so there's still plenty in there. My alk is up to 10dkh and everything is looking great! i have some good polyp extention going . I'm happy with it.

Good luck with the move and no worries. it's a small thread
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Old 11-16-2008, 05:59 PM   #48
 
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BTW SK, i'm using 2 175watt MH 14000k.

Surface tention




Xenia update




Devilshand leather


And finally my polyp extention on my Monti-cap that never shows any polyp extention
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Old 11-17-2008, 06:37 AM   #49
 
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Xenia thrives in dirty water. SPS corals need excellent water quality to ensure long term success. If you see your xenia colonies dying off, that may not be such a bad thing. I had 2 huge colonies that died off about a month after I started my system. Conveniently, that coincides with how long it takes for the new skimmer to get broken in and working at peak performance.
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Old 11-17-2008, 11:44 AM   #50
 
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Xenia thrives in dirty water. SPS corals need excellent water quality to ensure long term success. If you see your xenia colonies dying off, that may not be such a bad thing. I had 2 huge colonies that died off about a month after I started my system. Conveniently, that coincides with how long it takes for the new skimmer to get broken in and working at peak performance.

Really? I've never heard that before. I've seen people with well established tanks and awsome skimmers, and have SPS that are georgous and Xenia that they just can't get rid of.
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