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#1
07-30-2010, 12:51 AM
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Still kinda boggles me why the kh was at about 12 and the ca was at about 500 from effluent and i have changed nothing but bottles of c02 wonder if there are purer co2 sources?
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360 gallon sps reef, 180 gal sump, bubble king supermarine 300, 4xmp40Wes, 2 x 6215 tunze waveboxes, 4 ghl mitras 360 Reef Tank 
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#2
07-30-2010, 02:19 AM
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If the amount of alkalinity in the effluent has dropped so has the amount of calcium. Its not possible any other way. The reason you may think that KH has dropped and CA has not is because calcium carbonate (ca reactor media) is mostly alkalinity.....the ratio I believe is 20:50ppm as in 20ppm of Calcium to 50ppm Alkalinity. Now since sea water has less alkalinity in it....say 130ppm (7.2dkh) than Calcium say 410ppm. Now if the alkalinity drops 50ppm and goes from 130ppm to 80ppm (or 7.2dkh to 4.5dkh) the calcium would only drop a meager 20ppm and go from 410ppm to 390ppm. Thus an illusion can be created that alkalinity has changed but calcium as not. Same reason why some people believe there tank needs more alkalinity than calcium....yes it does but it needs the same amount of balanced two part or balanced ca reactor effluent. Hope my ramblings make sense.
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#3
07-30-2010, 02:32 AM
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yeah i know what u mean it is just too much work for me to type it all in here. After doing some more reading i slowed the flow through the reactor down and well 2 hours later i am getting a reading of 7.5 dkh at the effluent with 420 ca.
http://www.theaquariumsolution.com/s...-ph-controller
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360 gallon sps reef, 180 gal sump, bubble king supermarine 300, 4xmp40Wes, 2 x 6215 tunze waveboxes, 4 ghl mitras 360 Reef Tank
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