tpallas March 15, 2015 March 15, 2015 SPS keepers.....have you been measuring/dosing K, and if so, seeing better coloration?
ridetheducati March 15, 2015 March 15, 2015 (edited) Maintain K at 400 - 410 ppm according to Salifert test kit. Edited March 15, 2015 by ridetheducati
GraffitiSpotCorals March 15, 2015 March 15, 2015 Tony what product can we use that is a cheap k supplement?
Big Country March 15, 2015 March 15, 2015 I use the Brightwell Potassion-P powder, just mix it up and it's a whole lot cheaper than the liquid form.
ridetheducati March 15, 2015 March 15, 2015 Potassion is good and effective. I also have "Now Foods Potassium Chloride" from i herb dot com. 220 grams for $5.
YHSublime March 15, 2015 March 15, 2015 I dosed and tested K for 3 months. Used blue bottles. I saw no change in color, or growth that I wasn't already getting from Reef Crystals, that has a healthy amount already in it. Seemed like a useless endeavor in my specific experience.
Origami March 15, 2015 March 15, 2015 Tony what product can we use that is a cheap k supplement? Potassium Chloride. It's a table salt substitute, You can also find it in bulk on ebay.
Cliff Puckstable March 15, 2015 March 15, 2015 Never tested for it in my life. I can't remember the last time I checked any parameters.
Curtis Scott March 16, 2015 March 16, 2015 (edited) Testing with Salifert kit, I currently dose Brightwell Potassion to keep my potassium level around 425-450ppm. This supplement has had a noticeable impact on coral coloration. All my corals are brighter and deeper colored, especially the blues and purples. I'll have to look into the cheaper alternatives mentioned above when I run out of the BW Potassion. Edited March 16, 2015 by Curtis Scott
tpallas March 16, 2015 Author March 16, 2015 Thanks for the replies. Been wondering if it's a number worth chasing. Thinking about doing a before/after comparison.
s2nhle March 19, 2015 March 19, 2015 Potassion is good and effective. I also have "Now Foods Potassium Chloride" from i herb dot com. 220 grams for $5. What is the ratio when you mixed it?
ridetheducati March 19, 2015 March 19, 2015 To raise 100 gallons by 100 ppm, 72 grams of potassium chloride is needed. 5 grams equals 1 teaspoon.
s2nhle March 20, 2015 March 20, 2015 do you have to mix the powder with rodi water first? if yes, what is the ratio? Thank you very much for quick reply
GraffitiSpotCorals March 20, 2015 March 20, 2015 To raise 100 gallons by 100 ppm, 72 grams of potassium chloride is needed. 5 grams equals 1 teaspoon. Thank you!
ridetheducati March 20, 2015 March 20, 2015 (edited) do you have to mix the powder with rodi water first? if yes, what is the ratio? Thank you very much for quick reply I am not picky about what water I use. It could be existing tank water, RO/DI or tap water. I mix the amount of potassium chloride I need with 3 or 4 cups of water, stir and pour in sump. Edit. I normally dose enough to move the potassium value 10 ppm or 20 ppm at a time. Edited March 20, 2015 by ridetheducati
gws3 March 20, 2015 March 20, 2015 I measure with the salifert test kit occasionally and dose KCl to maintain 400 ppm as well. I haven't noticed any improvement from the dosing, but it's cheap so I figure why not maintain levels similar to NSW. Once I get around to figuring out my consumption I plan to dose it with MgCl.
GraffitiSpotCorals March 20, 2015 March 20, 2015 I use saliferts as well. I can not keep mine at any normal level. It constantly sits around 350 or 360 when I don't dose, and that's with weekly 30 gallon waterchanges on the 250 gallon system. I go through a 500ml bottle as fast as I can dose it and after I get the level around 420 it is done and the level drops back to 360 in a matter of weeks. I ordered some of the potassium from iherb and will try to maintain it with this. I may need a Doser... I am not sure if the mazzei injector pulls out potassium more than other skimmers but I thought needle wheels were the ones that do that.
GraffitiSpotCorals March 27, 2015 March 27, 2015 Does anyone close have a good potassium test kit I can use to test against mine? I am using saliferts. I dosed everyday last week with brightwells and measured today and it was lower :(
tpallas March 27, 2015 Author March 27, 2015 I measure with the salifert test kit occasionally and dose KCl to maintain 400 ppm as well. I haven't noticed any improvement from the dosing, but it's cheap so I figure why not maintain levels similar to NSW. Once I get around to figuring out my consumption I plan to dose it with MgCl. Yoda has spoken
YHSublime March 28, 2015 March 28, 2015 I use saliferts as well. I can not keep mine at any normal level. It constantly sits around 350 or 360 when I don't dose, and that's with weekly 30 gallon waterchanges on the 250 gallon system. I go through a 500ml bottle as fast as I can dose it and after I get the level around 420 it is done and the level drops back to 360 in a matter of weeks. What salt are you running?
wangspeed March 28, 2015 March 28, 2015 (edited) Does anyone close have a good potassium test kit I can use to test against mine? I am using saliferts. I dosed everyday last week with brightwells and measured today and it was lower :(You can try my salifert. Oh I forgot. I also have the Red Sea potassium pro kit which takes like 15 min to perform. It's about the same as the salifert for me. -- Warren Edited March 28, 2015 by wangspeed
GraffitiSpotCorals March 28, 2015 March 28, 2015 What salt are you running? I am using instant ocean, which measured 380 or 400 last time I checked from what I remember. Maybe a bit higher.
GraffitiSpotCorals March 28, 2015 March 28, 2015 You can try my salifert. Oh I forgot. I also have the Red Sea potassium pro kit which takes like 15 min to perform. It's about the same as the salifert for me. -- Warren Thanks man I will text you after work today.
GraffitiSpotCorals April 28, 2015 April 28, 2015 I normally have a decent potassium level in my instant ocean but I let the mixed water sit for three weeks and the potassium level was 320 or so. What could have happened there?
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