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#1
12/31/2007, 03:52 AM
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Rowaphos - 1st time use - how much to start?
I just got a TLF Phosphate reactor with Rowaphos to add (a few patches of hair algae here and there. I would also like to see if my SPS color up more). I know it could be disasterous to cause a sudden change in anything (even reducung Po4), so where do I start? (I don't have a scale so "x" grams won't help me much).
I was thinking 2-3 tablespoons, adding another every week or so. I really have no idea where to start so I am looking for some advise. It's a 50 gal display with sump (60 gallons actual water volume). Your advise and experiences please 
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#2
12/31/2007, 02:46 PM
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No one uses Rowaphos? I thought I saw people all over the boards using this stuff. Someone must have started with some amount that was either too much or too little for the tank to handle. Just looking for a little help.....
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#3
12/31/2007, 02:56 PM
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If I havent used it for a while, I start with half the recommended dosage and change after a week. The first batch gets exhausted quickly. Then the 2nd batch I do at full dosage and change after two weeks. The next batch also at full dosage I change after a month. YMMV. Everybody does it differently from what Ive read but so far have had no problems with the above and my tank is SPS and clams mostly.
It also depends on how high your PO4 is to start. If its very high, I would do it more gradually than the above. |
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#4
12/31/2007, 03:00 PM
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Rowaphos is similar to Phosban who recommends 150 grams in an established system. They do recommend starting out with 1/2 the normal dose though and working up to the full 150 grams. I don't know how many spoonfulls that amount would be though?
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#5
12/31/2007, 03:58 PM
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In my experience corals are for all practical purposes uninfluenced by changes in phosphate levels. Sometimes I forget to change my media and end up with reasonably high (0.5 ppm) phosphate. I add new media and this falls to zero within a day, with no effect on corals (LPS and softies). I have some pretty finicky leathers that will close up for a day after a water change, for instance, and they stay open for the addition of phosphate media. I have never grown SPS so I can offer no opinions there.
Dan |
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#6
12/31/2007, 04:07 PM
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SPS and LPS are definitely affected by phosphates! I started out with too much Phosban in the beginning and bleached quite a few corals. Live and learn (to read the directions the first time that is).
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#7
12/31/2007, 04:51 PM
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Start w 1/2 the recommended dose. I use Phosar which is similar to phosban, and 1 tsp = 1 gram. I started with about 25 on my 75G. I now run 65 grams. Be sure to use a low flow rate so the top level of the media has just a very slow tumble. Also, monitor your alk daily as you begin use of the product. It can cause your alkalinity to fall. I believe that is the reason that some people have experienced bleaching rather than the product itself.
__________________
"Give a man a fish and you feed him for a day. Teach a man to fish and he will spend all day in a boat drinking beer." |
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#8
12/31/2007, 05:08 PM
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I was going through the conversion blues because Phosban sells by wieght and Rowaphos by volume.
I just read where 1 cup of Phosban weights about 87 grams and there are 48 tsp in a cup....so roughly 1.8 grams per tsp. a cup is about 237 ml so roughly 4.9 ml per teaspoon for Rowaphos. |
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#9
12/31/2007, 05:12 PM
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I was going through the conversion blues because Phosban sells by wieght and Rowaphos by volume.
I just read where 1 cup of Phosban weights about 87 grams and there are 48 teaspoons in a cup....so roughly 1.8 grams per teaspoon. a cup is about 237 ml so roughly 4.9 ml per teaspoon for Rowaphos. |
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#11
12/31/2007, 06:57 PM
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So something to know,when you rapidly remove phosphate you can cause problems,why?Bacterias feed on phos,you remove it and the bacteria die,the death causes spike = bloom.So when removeing phos do it very slowly Id start with maybe 2"in the tube with very low flow just a slight rumble on the surface.then every couple day turn the valve wide for 2sec then low again(to prevent channeling)And use your Phos test kit
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