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#1
06/09/2007, 04:43 PM
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Weird results... Elos vs Sailfert....
Which do I believe? I performed all tests twice and came up with the same results each time. The Elos and Sailfert Mag and ALK tests are close enough for me but there's a big difference in the CA kits....
Eleos KH-1300 ALK-11dKH CA-575 Sailfert Mg-1290 KH-10.9dKH CA-450
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#2
06/09/2007, 06:36 PM
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Which kit is newer? Did you do the test more than once, re read the instructions? (sorry but I had to ask).
Like you stated, the Alk is so close, I'd trust either. The calcium is so far different, I'd retest and trust the newest one. If the Ca came back with the same readings, I'd probably trust the Elos BUT I dont believe that the tank would hold that much Ca with the Dkh as high as you are stating (575ppm from the Elos)....Soooo, the salifert is probably closest. Probably havent helped much, but thats my .02 cents.
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Have a good'un |
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#3
06/09/2007, 06:42 PM
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hard to say, ask jesse in Elos forum
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2 ocelaris 1-1.5", 1 bandaii cardinal, 1 yellow watchman goby 1 pep. shrimp, 10 nas, 1 astrea , 1 cerrith snails Some softys PH 8.1, Alk 11, NH3/4, NO2, NO3 0, Temp 77-79F, SG 1.025 |
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#4
06/09/2007, 07:46 PM
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I think you meant Mg for the first reading under Eleos.
Between the two kits the Mg and alkalinity readings are essentially identical - a nice confirmation. The calcium is the only question. I don't have any experience with the Eleos kit so I'm shooting in the dark. But, make sure you know exactly where to judge color changes for each kit. From what I understand and do on the Salifert you will get a purple for a drop or so before it turns blue. On the Salifert you measure where it stays and remains blue after swirlling after each drop. Check to see if the Eleos should be measured when the color change first occurs (if it uses the same kind of test endpoint). I'm with Henry in finding Salifert reading easier to believe. Paul
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#5
06/09/2007, 07:47 PM
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Both sets of test kits were purchased within the last month and are no where near their expiration... I just don't think it's possible for the eleos to be correct....
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My Pit Bulls aren't mean, you're just a sissy! Don't breed or buy while shelter animals die, and don't forget real men have their own balls. (Tonya?) Spay and neuter your pets. |
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#6
06/09/2007, 10:15 PM
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Using Jdiek's reef chemistry calculator if your Ca is 575 a balanced alk would be 10.69 meq or a dKh of 29! Which I dont think you can do without creating precipitation in your tank. As I said before, I think your 10.9 dKh and 450 Ca is alot closer to reality. It would be a good idea to post your measurements on the ElosUSA forum in the sponsors area and see what Jesse says (like stated above). He may have further insight as to what may be going on and or he may send you another test kit? ;-)
At this point I would not add anything to the tank until you are pretty sure what your readings are ! Keep us posted.
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Have a good'un |
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#7
06/09/2007, 10:18 PM
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I recently had a bad calcium kit from Salifert that was saying my calcium was 300-350 when it was really 500+ (according to other Salifert kits as well as Tropic Marin kits). I would tend to beleive the Elos kit, but to make sure I would see if a local reefer or a LFS can test the Ca to see what they get.
Bob |
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#8
06/10/2007, 01:22 AM
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Hey Handsome guy.
 I'll tell you which one is correct, if, you'll tell me what salt mix you are using. Then mix 1 or 2 gallons freshly mixed salt at 1.0265 and test it. This is assuming you test salinity correctly. Run both tests, post your numbers and I'll know which one is off. Not too difficult of a task, me thinks. 
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#9
06/10/2007, 06:47 AM
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Quote:
thanks for everyones input! I'll post my results later
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My Pit Bulls aren't mean, you're just a sissy! Don't breed or buy while shelter animals die, and don't forget real men have their own balls. (Tonya?) Spay and neuter your pets. |
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#10
06/10/2007, 08:22 AM
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That's a good thought Billy. Never considered it.
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Have a good'un |
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#11
06/10/2007, 10:23 AM
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Quote:
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#12
06/10/2007, 10:27 AM
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No test required the Elos is off
UNLESS you got a bad batch of salt with a very high Ca++ or over dosed the tank then the Salifert is off. If that was the case you should see a snow storm in the tank. So, back to Elos being off.
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#13
06/10/2007, 12:22 PM
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Quote:
I spend a lot of time on the boards and I would have heard if there has been bad batches of anything around. No red flags on TM that I know of. When he posts his numbers, I will know.
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#14
06/10/2007, 06:20 PM
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A quick search told me TM batch vary from 400-500+ in calcium..
Test your freshly mixed and calibrate your refractometer with pinpoint 53ms solution not RO.
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2 ocelaris 1-1.5", 1 bandaii cardinal, 1 yellow watchman goby 1 pep. shrimp, 10 nas, 1 astrea , 1 cerrith snails Some softys PH 8.1, Alk 11, NH3/4, NO2, NO3 0, Temp 77-79F, SG 1.025 |
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#15
06/10/2007, 09:51 PM
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I think you did too quick of a search. Those numbers look more like TM Pro to me.
TM runs between 340-360 as far as I've tested.
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#16
06/11/2007, 10:25 AM
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Check your Elos kit. If the reagents aren't dropped at the angle the pic shows, you can get erroneous results. Other than that, which totally sucks, they're nice quick and accurate kits. Well, accurate if you drop the reagents properly. I had the exact same problem with them the first couple uses. Just took getting accustomed to a new kit.
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#17
06/11/2007, 11:12 AM
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An often overlooked step in the testing is to shake the reagent bottles prior to using them.
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#18
06/12/2007, 08:31 PM
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So after further testing.... I've found them very close to the sailfert.
What I did differently was.... 1) I shook the heck out of the reagents( I shook them before but this time....) 2) I held the bottles completely vertical Elos Tank CA-450 Sailfert Tank CA-440 I also tested the new salt batch and came up with the following... Not quite as close but close enough... Elos Tropic Marin at 1.025 CA-475 Sailfert Tropic Marin at 1.025 CA-450 thanks for everyone's input! Adam
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My Pit Bulls aren't mean, you're just a sissy! Don't breed or buy while shelter animals die, and don't forget real men have their own balls. (Tonya?) Spay and neuter your pets. |
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#20
06/12/2007, 10:12 PM
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Quote:
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2 ocelaris 1-1.5", 1 bandaii cardinal, 1 yellow watchman goby 1 pep. shrimp, 10 nas, 1 astrea , 1 cerrith snails Some softys PH 8.1, Alk 11, NH3/4, NO2, NO3 0, Temp 77-79F, SG 1.025 |
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#21
06/12/2007, 10:19 PM
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Quote:
 I'm not done yet. After all, I'm a testing fool. I'll ge to the bottom of this yet. 
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