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| View Poll Results: What test kit do you use? What alkalinity do you keep? | |||
| Salifert <7 dKH |
   
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0 | 0% |
| Salifert 7-8 dKH |
  
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4 | 4.55% |
| Salifert 8-9 dKH |
  
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16 | 18.18% |
| Salifert 9-10 dKH |
  
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8 | 9.09% |
| Salifert >10 dKH |
  
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4 | 4.55% |
| Elos <7 dKH |
  
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0 | 0% |
| Elos 7-8 dKH |
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6 | 6.82% |
| Elos 8-9 dKH |
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10 | 11.36% |
| Elos 9-10 dKH |
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10 | 11.36% |
| Elos <10 dKH |
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1 | 1.14% |
| High end kit (LaMotte, Hanna, etc) <7 dKH |
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0 | 0% |
| High end 7-8 dKH |
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2 | 2.27% |
| High end 8-9 dKH |
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5 | 5.68% |
| High end 9-10 dKH |
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1 | 1.14% |
| High end >10 dKH |
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0 | 0% |
| Lower end (API, Hagen, Instant Ocean, etc) <7 dKH |
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2 | 2.27% |
| Lower end 7-8 dKH |
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8 | 9.09% |
| Lower end 8-9 dKH |
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5 | 5.68% |
| Lower end 9-10 dKH |
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7 | 7.95% |
| Lower end >10 dKH |
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4 | 4.55% |
| Multiple Choice Poll. Voters: 88. You may not vote on this poll | |||
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#22
05-03-2010, 10:33 PM
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I have 2 relatively new Elos KH test kits (correct instructions) that give me different readings. Both are supposed to be identical kits but one will read 8.5 while the other will read 7-7.5. It appears that the reagent is the same in both kits but the droppers are clearly different and one produces visibly larger drops, thus needing fewer drops to change colour and giving me a lower reading.
I don't know which one is accurate since I don't feel like going out and buying a third kh test kit so i've just been testing twice and splitting the difference. Anybody else ever have Elos inconsistencies?
__________________
-Mason 
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