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Old 03-02-2010, 03:39 AM   #11
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Only five gallons a week? I usually do ten gallons a week in a 29g. My acroporas and such grow amazing. Also you mentioned you upgrated your lighting system. A friend of mine replaced His bulbs and his corals Bleached so when you upgrated your lights did you notice any change at all in your corals?
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Old 03-02-2010, 10:20 AM   #12
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No real change except they started opening more and looking alot better. I slowly adjusted them to the new light, started at only 4 hours a day and gradually got back to the 8 hours i am at now.turn on my actinc's about an hour before halides and turn them off an hour after they kick off.
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Old 03-02-2010, 12:32 PM   #13
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Your alkalinity is really low. Can you retest and make sure you did the test correctly?
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Old 03-02-2010, 12:57 PM   #14
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Quote:
Originally Posted by jbowles View Post
Ok so i got my test kits in and also got the RO/DI unit last Friday. I ran all the test i have tonight and here are the results:
Salinity: 1.020
Phosphate: 0
Calcium: 480
PH: 8.6
Alkalinity: 1.7
Magnesium: 1280 (right at the top of my test scale)
Ammonia: 0
Nitrate: 20
Nitrite: 0.2 (lowest my test goes)


I have been using RO/DI for topoffs since i got the unit Friday and i have also done a 5 gallon water change tonight.
Salinity needs to come up to around 1.026. What are you using to measure it?
When you do raise salinity, the calcium, alk and mag levels will also rise. What brand salt are you using?
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Old 03-02-2010, 04:21 PM   #15
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I just started using instant ocean reef crystals. So i should bring it up to 1.026? I am using an instant ocean hydrometer to check it, It shows 1.020 - 1.024 as normal levels.
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Old 03-03-2010, 03:52 AM   #16
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1.020-1.024 are normal for a fish only tank.
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Old 03-03-2010, 09:20 AM   #17
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Seing arm hydrometers have a bad reputation for being inaccurate a/o not consistent. Do you rinse the hydrometer with RODI water after every use and let it ari dry?
Get a refractometer to test your SG. You'll be happy you did.
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