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Old 07-25-2013, 12:07 AM   #181
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RIP Paul Blart. He escaped through the overflow box and ended up down under in the blue mesh stuff. We miss him already!
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Old 07-25-2013, 12:10 AM   #182
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Quote:
Originally Posted by Callen View Post
Not dismissing y'all, just changing the subject.

The yellow watchman goby has been missing all day. He appeared to be happy last night. After lights out he tucked himself in under a rock. Halfway buried in the sand. Never saw him this morning. Boys say they didn't see him today. He's not out and about this evening. I've got so much rock, he could be anywhere. What is their typical behavior? If he is still alive will he come back out?
Look for random divets in the sand bed. That's how I knew mine was still alive
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Old 07-25-2013, 12:13 PM   #183
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Will adding fish cause my ph to lower? I added them on Tuesday. The goby escaped to his own death Wednesday. The shrimp is dead today. I did a water test and ph is 8.0 ammonia 0, trites 0 and trates around 5 Ph is the only thing that looks off
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Old 07-25-2013, 01:59 PM   #184
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What's wrong with the ph 8.0 is good.
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Old 07-25-2013, 04:48 PM   #185
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8.0 is fine for pH as long as it's consistent. A steady pH lower than 8.4 is better than one that has swings. My 125g was constantly at 7.8 for a year or more but since it was stable nothing bad came of it. Stability is more important, especially with a saltwater tank. it's not worth it to mess with chemicals to raise and lower things in my opinion.

How long did you have the shrimp in total? How did you acclimate him? When you tested the water did you check salinity? Shrimps are very sensitive to changes on salinity as well as swings on Ph.
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Old 07-26-2013, 12:15 AM   #186
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Let's talk salinity!

The shrimp was in there about 36 hours before he died. I made the trip back to Houston today and took a water sample to the semi-LFS They tested my salinity at 1.028, which they said was high. They gave me store credit for the shrimp but advised I wait til later before I add anything. They told me to remove 5 gallons of saltwater from my tank and replace it with freshwater.

My hydrometer measured the water between 1.025 and 1.026 when I got the water sample that I took to the store. The store reading was 1.028 As I was driving I got to thinking about that chart that Grizz posted earlier in this thread and how temperature affects salinity. Could the temp be the difference between my reading and the stores?

I didn't specifically ask what she used to measure my water, but it wasnt a hydrometer. I asked how accurate it was and she said "highly accurate...almost exact" She told me from now on just to take my reading and add 2 to it. For example if my hydrometer reads 1.025 then my salinity is really 1.027

I'm not so sure I believe this. I need my expert friends to weigh in!
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Old 07-26-2013, 12:28 AM   #187
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If you can invest in your own refractometer, you can get not a bad one off eBay. It will be much more accurate than the hydrometer
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Old 07-26-2013, 01:59 AM   #188
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Hydrometers are off by at least 2+ I found that out the hard way I don't use them anymore at all.
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Old 07-26-2013, 02:41 AM   #189
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I just have my LFS test my salinity and compare that to my hydrometer. They need to be rinsed before and after each use. I just ordered a refractometer from BRS for~$40 I am excited to finally dial in my salinity, I think it is a good investment.

Also as for the shrimp, they are sensitive, I waited 5 months before I added my shrimp, I now have 3 and haven't lost any.
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Old 07-26-2013, 07:08 PM   #190
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That's a good price, Eric. The semi-LFS had them for $100 and up. The first one they showed was over $200! Does anyone know if there is much difference in use and accuracy based on the price?
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