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05/11/2011, 11:29 AM
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#1 |
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Registered Member
Join Date: Oct 2010
Posts: 294
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recommended mag dosage?
im looking to kill off the hair algae in my tank, it is in my 20G i just bought a 500ml of tech M. I heard you will need to maintain a mag level of 1600, now do i just pour in half of the bottle and let it settle for a week? or how should i dose it and the volume? thanks
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20G Reef Tank, DSB, 25lbs of live rocks. Spec: Ph 8.2, >520 cal and 8 kh, Temp 77F, SG 1.026 Equip: Coralife 24x2 T5HO, 2x Koralia 425 powerheads, no skimmer. 2L HOB Sump: Cheato, feather dusters, copepods, bristleworms Livestock: 4 blue-legged hermits, 2 nassarius snails, 1 astra snail, 1 Argent Mono, 1 FireGoby Corals: Mushrooms, yellow polyps, zoanthids |
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05/11/2011, 12:11 PM
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#2 |
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~Just a Farm Boy~
Join Date: Dec 2010
Location: Central Indiana
Posts: 1,651
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Why would you think that Mag would kill the hair algae? I'm still learning but never heard that. Maybe Randy from the Chemistry Forum can shed some light on this. Sk8r may also help on this.
It is good to keep the mag. inline. What is you mag. now? Never dose into the unknown and mag. should be about 1320-1350 range. Also if that's Kent Tech-M liquid that much will raise the mag. 230 ppm in a 20 gal. tank and that to much IMO. No more than 100 ppm in 24 hours.
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Sport If you do not test for it, DON'T dose it. Indiana INDMAS Member |
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05/11/2011, 12:19 PM
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#3 |
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Registered Member
Join Date: Aug 2010
Posts: 838
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Is it bryopsis?
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Current Tank: 125 gal mixed reef, 3-250 watt Radiums, T5 actinics, CS2 skimmer, RKL 60 gal "fun tank", 2-Ecotech Radions, Lifereef Overflow, build-in-progress |
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05/11/2011, 12:41 PM
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#4 |
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Reef Chemist
 
Join Date: Apr 2001
Location: Arlington, Massachusetts
Posts: 86,233
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If it is not bryopsis, but rather ordinary green hair algae, the Tech M method probably is not the way to go.
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Randy Holmes-Farley Current Tank Info: 120 mixed reef |
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05/11/2011, 02:18 PM
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#5 |
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Registered Member
Join Date: Oct 2010
Posts: 294
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excessive hair algae.... like a forest.... not considered bryopsis??
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20G Reef Tank, DSB, 25lbs of live rocks. Spec: Ph 8.2, >520 cal and 8 kh, Temp 77F, SG 1.026 Equip: Coralife 24x2 T5HO, 2x Koralia 425 powerheads, no skimmer. 2L HOB Sump: Cheato, feather dusters, copepods, bristleworms Livestock: 4 blue-legged hermits, 2 nassarius snails, 1 astra snail, 1 Argent Mono, 1 FireGoby Corals: Mushrooms, yellow polyps, zoanthids |
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05/11/2011, 02:28 PM
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#6 |
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Registered Member
Join Date: Jun 2010
Location: andover ct 06232
Posts: 1,819
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beside being somewhat new myself, my bottle had directions had to use my glasses to read 'em tho
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Hope keeps things alive and looking forward Current Tank Info: 28,55 & 90g mixed reef,10G FW Last edited by charleneatkins; 05/11/2011 at 02:33 PM. |
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05/11/2011, 02:28 PM
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#7 |
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Reef Chemist
Join Date: Apr 2001
Location: Arlington, Massachusetts
Posts: 86,233
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Bryopsis is a very specific organism. Try googling some images to see what it looks like.
Assuming it is not, then I'd look to treat for phosphate with something like GFO rather than with the Tech M impurity plan.
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Randy Holmes-Farley Current Tank Info: 120 mixed reef |
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05/11/2011, 02:49 PM
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#8 |
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Registered Member
Join Date: Oct 2010
Posts: 294
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My tank has zero phosphate and nitrate.... that's the thing... i dont know what is causing it....
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20G Reef Tank, DSB, 25lbs of live rocks. Spec: Ph 8.2, >520 cal and 8 kh, Temp 77F, SG 1.026 Equip: Coralife 24x2 T5HO, 2x Koralia 425 powerheads, no skimmer. 2L HOB Sump: Cheato, feather dusters, copepods, bristleworms Livestock: 4 blue-legged hermits, 2 nassarius snails, 1 astra snail, 1 Argent Mono, 1 FireGoby Corals: Mushrooms, yellow polyps, zoanthids |
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05/11/2011, 03:59 PM
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#9 |
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Registered Member
Join Date: Jul 2009
Posts: 69
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Bryopsis looks similar to a fern leaf. The theory is it's a side effect of the Tech M and not the Mg itself. Post some pics and you may be able to get a confirmation whether you have bryopsis or regular hair algae. The Tech M won't do anything for normal algae and you would have to address the excess nutrients instead.
If you do have bryopsis, you want to add small, regular doses and test regularly to make sure it doesn't go too high outside normal ranges. |
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05/11/2011, 04:15 PM
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#10 |
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Reef Chemist
Join Date: Apr 2001
Location: Arlington, Massachusetts
Posts: 86,233
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If you have enough thriving algae, you can test low just because the algae is sucking up all the nutrients. But it is still a good plan to intercept the nutrients, and especially phosphate, before the algae gets it.
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Randy Holmes-Farley Current Tank Info: 120 mixed reef |
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05/11/2011, 05:28 PM
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#11 |
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~Just a Farm Boy~
Join Date: Dec 2010
Location: Central Indiana
Posts: 1,651
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+1 for Randy, the algae uses that to grow and need a source for it.
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Sport If you do not test for it, DON'T dose it. Indiana INDMAS Member |
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