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12/03/2017, 05:19 PM | #1 |
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Join Date: Jan 2010
Posts: 9
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Lanthanum chloride.
I been reading about dosing lanthanum for lower po4. I understand most of it in using a 10 or 5 micron bag and dosing it slowly and dont drop it more then .03ppm per day. So like I said I understand most of it. The area I have trouble with is how much to use In a 1000ml iv bag. I have read 3mls for a 1000ml bag and read others. Is the amount of lanthanum chloride used determined on the amount of water volume and amount of po4? If there isn't a set amount to use it is just something that needs to played with to find the right amount to use to drop po4 down by 3ppm per day until close to 0. And once close to 0 is achieved then finding a maintenance dose to maintain it there?
Second question. My buddy has several tanks and he wants to use lanthanum chloride. He was told to use a 10 or 5 micron bag but to just dose the 3mls right to the bag in a full dose and not drip it. Y is dripping a better method so I can explain it better by him. Sent from my SM-N950U using Tapatalk |
12/03/2017, 10:37 PM | #2 |
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Join Date: Jul 2004
Location: minnesota
Posts: 104
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I use the SeaKlear “free and clear” product.
20 ml dripped into a filter sock wil drop my PO4 by 0.02 for my 350 gal total water volume. You can put in any amount in the i.v. bag diluted with r/o water. |
12/04/2017, 01:12 PM | #3 |
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Join Date: Sep 2013
Location: Michigan
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Some will drip slowly so they don't drop alkalinity too fast. Less sudden changes.
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210 gal reef, 75 gal Refuge with 55 Gal sump mixed reef 100 gal Reef, 75 gal Refuge with 55 gal sump. SPS/LPS & 100 gal Japanese Dragon Moray eel tank with 40 gal sump 75 gal Brazilian Dragon Mor |
12/04/2017, 07:07 PM | #4 | ||
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Join Date: Aug 2017
Location: Austin
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Quote:
Quote:
These are my experiences and your results may vary |
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12/04/2017, 08:29 PM | #5 |
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Join Date: Mar 2002
Location: Mountain View, CA, USA
Posts: 88,616
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Technically, lanthanum chloride removes dissolved phosphate. It forms a precipitate (lanthanum phosphate) that's probably best removed from the tank, since it seems to cause problems for a few organisms (typically tangs), and might manage to dissociate at some point. Lowering the phosphate level in a tank slowly seems to be a good idea, since people have reported problems with sudden large changes in dissolved nutrient levels, although I'm not sure what exactly might be happening.
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Jonathan Bertoni |
12/04/2017, 08:38 PM | #6 |
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Join Date: Jan 2010
Posts: 9
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Thanks
Sent from my SM-N950U using Tapatalk |
12/04/2017, 09:16 PM | #7 |
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Join Date: Sep 2009
Posts: 14,173
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Here is a video I did detailing my process. This is based on my 700 gallon volume which I mention in the video. It’s based on the SeaKlear Commercial product I use.
Keep in mind that there are different concentrations of LaCl depending on the product you buy. Therefore the amount of LaCl that you use needs to be based on the bottle you are buying. You should also test your Alk before and after as LaCl dosing does lower alk.
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