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10/01/2015, 02:10 PM | #76 |
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Just to add to power failure discussion. Correct me if I am wrong but what we really want to grow is anaerobic bacteria. Limiting the water flow, thus O2 to the matrix in a reactor is to help promote anaerobic bacteria. Along that line of thought, if the power goes out, no water flow would only mean less O2 which for anaerobic bacteria is good. The only problem would be the anaerobic bacteria would not be getting fed, which they can tolerate for quite some time.
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10/01/2015, 02:25 PM | #77 |
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Nitrifying and denitrifying Bacteria will both remain on the media. Matrix pond is used as denitrification source, however denitrification only pertains to the inner core of the media. All along the surface will remain active with aerobic bacteria. The fact that a pump is even used means it will create an environental in which aerobic bacteria thrive in.
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10/01/2015, 02:39 PM | #78 |
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From Seachems website...
"Matrix™ may be placed in any kind of filter, and is particularly effective in a canister filter.
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10/01/2015, 02:56 PM | #79 |
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That is correct. I'm not saying that it isn't effective in a reactor by any means.
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10/01/2015, 03:28 PM | #80 |
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ok maybe Im missing something, if it is effective in a reactor as others have shown, and the reactor doesnt empty during a power outage, the matrix would be in the same conditions during a power outtage in the reactor as it would if placed/hung in the sump correct? It would still be submersed in water with no flow in both cases. I do see there may be an advantage to sump use over reactor in an outtage simply due to the increased water volume in the sump may be able to provide the aerobic bacteria with o2 longer than in the small space of the reactor.
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10/01/2015, 03:47 PM | #81 | |
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10/01/2015, 03:58 PM | #82 | |
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10/01/2015, 04:09 PM | #83 | |
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10/01/2015, 06:19 PM | #84 | |
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10/01/2015, 07:26 PM | #85 |
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Interesting.. I'll have to check it out. Thanks for the info.
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10/01/2015, 07:33 PM | #86 |
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from what i heard the pond matrix is a different material than matrix and de*nitrate(which I believe are just different sizes of the same material?)
The drain sediment does make sense, I think my saving grace is the constant flow doesnt allow anything to settle in the matrix, it settles only in 2 corners of that chamber, but it may be getting some finer particles into the matrix from that initial blast of water...I might move it to the third chamber. I like all the different input in this thread, makes you rethink ideas and methods of your own and possibly improve. |
10/01/2015, 08:52 PM | #87 | ||
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10/01/2015, 10:08 PM | #88 | |
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I'm fairly certain that reefvet completed these tests in a laboratory environment with sophisticated equipment. He didn't just bring home some media and plop it in the tank. The denitrification that is occurring is unquestionably a direct factor of the flow within a reactor. To those that don't run their media in a reactor; it's not necessary. You will however yield increased efficiency (denitrification per specified volume of media), along with more consistent results.
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10/01/2015, 10:19 PM | #89 | |||
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I'm fairly certain that reefvet completed these tests in a laboratory environment with sophisticated equipment. He didn't just bring home some media and plop it in the tank. The denitrification that is occurring is unquestionably a direct factor of the flow within a reactor. To those that don't run their media in a reactor; it's not necessary. You will however yield increased efficiency (denitrification per specified volume of media), along with more consistent results. Additionally, the ability for these types of media to sustain a relevant amount of denitrifying bacteria is dependent on pore size, not depth of the pores. This is where Matrix and Siporax excel; because they have chosen a product with the correct pore size, they don't need extra pore depth to compensate (something that is necessary for denitrification within live rock). Pond Matrix and Matrix are the same material, just different sizes. The most you could argue is that you have fewer pores per total volume of Pond Matrix than Matrix. Directly from SeaChem's site: Generally, with very large pore diameters, we have smaller specific surface area, so that is not good. This generally rules out pores above 10 microns in diameter......
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10/02/2015, 08:05 AM | #90 | |
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10/03/2015, 06:13 PM | #91 |
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Anyone have the link to the ebay seller that ships to the US for the siporax 25mm Pond version?
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10/03/2015, 08:15 PM | #92 | |
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http://www.amazon.com/Siporax-Aquari...60_SR92%2C160_ PS: Sorry, I just saw you wrote "pond version". This one is for reef tanks. I am not sure of the differences with the pond version. Size ? |
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10/03/2015, 08:22 PM | #93 |
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10/03/2015, 08:23 PM | #94 |
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Pond version is longer. Both would work but the pond would be better. My LFS can get it but he is not ordering for a while.
http://www.sera-usa.com/us/products/...ond-25-mm.html
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10/04/2015, 02:34 AM | #95 | |
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Thanks
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10/04/2015, 12:35 PM | #96 |
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I can pick up the 15mm stuff for about $10 a Liter shipped to my door, but I have to buy 50L. Anyone want to split some with me?
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10/05/2015, 01:15 AM | #97 |
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Jumping on the boat, been looking into it for a while just ordered 10l of Siporax so cant wait to try it.
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10/05/2015, 10:49 PM | #98 |
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For those interested in efficacy and pricing: Reefvet said that through his tests that (if I recall correctly) Siporax has approximately 25x the anaerobic area of live rock. A close second was the Matrix, at approximately 20x the area. I mention this, because I just purchased 5 gallons of Matrix through Amazon for $100 with free shipping. That's 5x less than Siporax, so much more anaerobic bacteria growth per $.
I will say that the Matrix is irregularly shaped and smaller than Siporax, and cannot be utilized with egg crate alone. Another layer will have to be used in conjunction; perhaps the plastic material used for stitching with yarn (unsure the name). This or a reactor (which I'm inclined to use), which may negate the cost savings of the Matrix. Just some thoughts....
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10/06/2015, 04:52 AM | #99 | |
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10/06/2015, 05:57 AM | #100 | |
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Matrix is in 4 media bags. The floor is black egg crate When you want to clean it just take out the media bags, wash them is salt water and return it back. Last edited by nemodan; 10/06/2015 at 06:44 AM. |
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