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Aquarium Related Classifieds : LF ORA Purple Plasma, ORA Hawkins

Recent Message Board Posts - Thu, 07/13/2017 - 18:15
Author: jeffm
Subject: LF ORA Purple Plasma, ORA Hawkins
Posted: July 14 2017 at 12:15am

Evan I have Hawkins. Jeff
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General Discussion : Testing Reagents

Recent Message Board Posts - Thu, 07/13/2017 - 16:32
Author: Mark Peterson
Subject: Testing Reagents
Posted: July 13 2017 at 10:32pm

Good advice.
Checking/verifying numbers is good practice.

An LFS and/or tank maintenance service burns through reagent fairly quickly with multiple tank water samples. They usually notice right away, by referring back to the testing history, when a bottle of faulty reagent has been received/used.

Along this same line, not too long ago I was checking salinity of the water in the bag holding a fish from Rusty's Reefs. It was way high, like 1.030.   

But it wasn't what I thought. The problem was with me. My refractometer was off. Turns out that Rusty had compared three separate salinty standard solutions from three separate manufacturers. They each agreed.

Since then I have compared refractometers and hydrometers that I come across, finding all of them to be reading wrong, mostly too high. Even when calibrated with pure water, they are wrong, as was mine!

But so what. It doesn't really matter much. Fish and coral can live just fine in salinity(specific gravity) anywhere between 1.018 and 1.030 and they tolerate modest variations that come quickly. Currents can bring water of varying specific gravity and heavy storms can dump so much fresh water that there can be a significant drop in salinity in a very short amount of time.

It's not a bad idea to always check the salinity of the water surrounding a newly acquired animal and adjust accordingly. I do not suggest drip acclimation as that causes more problems than it solves. I just take a few more minutes to acclimate an animal to higher salinity.

Aloha,
Mark
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General Discussion : What is the right amount of light?

Recent Message Board Posts - Thu, 07/13/2017 - 15:47
Author: Mark Peterson
Subject: What is the right amount of light?
Posted: July 13 2017 at 9:47pm

Maybe I wasn't clear. That schedule is one that I believe to be inappropriate. I do not use it. It was sent to me by a friend, new to the hobby that recently sunburned all his coral and the Coralline Algae on the tops of LR. Many of the coral received a fatal dose of bright light (mostly blues set at close to 100%) in just a few days. His coral started dieing a week after the overexposure and kept dieing for two weeks.

There is very serious trouble with this blue light, formerly referred to as Actinic blue, that hobbyists may not realize. It is the fact that our eyes do not recognize the intensity of this bright blue light. It is burning our coral but we can't see it. We only see the effect after the sunburn.

Copied below for your benefit, is what I said in the OP about the problem I see with that pictured schedule. I was wondering if anyone else sees the same problems that I see:
1. the intensity of the blues is set too high;
2. the effective photoperiod is set too short (with sunrise and sunset ramping set way too long);
3. the spectrum of light may actually be inadequate

Aloha,
Mark

P.S. It's very difficult to get an accurate PAR reading of LED lights, because they emit such a narrow band of the complete spectrum. On!y the newest, high price, top-of-the-line PAR meters can give an accurate reading.
Red, green and white, are not just for our eyes. The white LED's in these Hydra and Prime fixtures probably emit some red and green too. In shallow water, where many SPS coral live, coral are exposed to a fuller spectrum, including UV. These days we don't bring coral directly from the ocean to our tanks. Coral we see today has been grown under artificial lighting, typically less intense than in the wild.

Having been exposed to all the different types of lighting this hobby has used, and finding MH lighting to be a standard to which we often compare, I found my recent installation of a 150 W 14000 K MH and a Hydra 26 on either side of a tank to be quite revealing. To make the LED light match the MH, the violet, blues and white were set in the high 30% intensity with UV, red and green about half that.
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Aquarium Related Classifieds : For Sale - CHEAP! 150g tank, ATI T5 lights

Recent Message Board Posts - Thu, 07/13/2017 - 15:45
Author: Reefboy4life
Subject: For Sale - CHEAP! 150g tank, ATI T5 lights
Posted: July 13 2017 at 9:45pm

Thank you and see you tomorrow!
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Aquarium Related Classifieds : For Sale - CHEAP! 150g tank, ATI T5 lights

Recent Message Board Posts - Thu, 07/13/2017 - 15:39
Author: Ricordia
Subject: For Sale - CHEAP! 150g tank, ATI T5 lights
Posted: July 13 2017 at 9:39pm

Both tank and lights are pending sale.  Thank you both!
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Aquarium Related Classifieds : For Sale - CHEAP! 150g tank, ATI T5 lights

Recent Message Board Posts - Thu, 07/13/2017 - 15:25
Author: Reefboy4life
Subject: For Sale - CHEAP! 150g tank, ATI T5 lights
Posted: July 13 2017 at 9:25pm

Pm sent
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Aquarium Related Classifieds : For Sale - CHEAP! 150g tank, ATI T5 lights

Recent Message Board Posts - Thu, 07/13/2017 - 15:23
Author: Mwells
Subject: For Sale - CHEAP! 150g tank, ATI T5 lights
Posted: July 13 2017 at 9:23pm

Pm'ed
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Aquarium Related Classifieds : For Sale - CHEAP! 150g tank, ATI T5 lights

Recent Message Board Posts - Thu, 07/13/2017 - 14:47
Author: Ricordia
Subject: For Sale - CHEAP! 150g tank, ATI T5 lights
Posted: July 13 2017 at 8:47pm

I have to move, the tank can't come with me.  :(  Make me an offer, I'll take just about anything if you can pick it up soon.
150g "squat" tank with rear overflow.  The tank is 48" long, 30" deep, and 24" tall, lots of floor space.  :)  It's 1/2" starfire glass with beveled corners.  The back is painted black.  It has three holes in the bottom of the overflow, 1.75" diameter.  It was purchased in 2002.
The tank is dirty, it was used as a planted fresh water aquarium for the last two years and has algae on the inside and a bit of sand in the bottom still  I just emptied it yesterday.  It has one scratch on the inside left panel, about four inches long and not really noticeable when the glass is clean.
I also have two ATI SunPower 36" T5 light fixtures with dimmers.  Two cords per fixture, four bulbs in each, so two bulbs per power cord.  They are a bit dusty but otherwise in great shape.
The tank stand was made by Dion 7 or 8 years ago.  It's in pretty bad shape but you can have it if you want it.  The tank is very heavy, so bring lots of muscle.
I live in Murray off 54th south.  I am moving out on Saturday, so any offers that include picking up on Friday or Saturday will be considered first.  Make an offer, I'll consider anything.







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Introduce Yourself : Hey!

Recent Message Board Posts - Thu, 07/13/2017 - 14:06
Author: evan127
Subject: Hey!
Posted: July 13 2017 at 8:06pm

Hey welcome! You should post a tank thread so we can see your set up!
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Introduce Yourself : Hey!

Recent Message Board Posts - Thu, 07/13/2017 - 13:39
Author: Reefer4Ever
Subject: Hey!
Posted: July 13 2017 at 7:39pm

Welcome Drew, you will find many threads here on reef keeping as well as a lot of helpful people that just want to help.

Welcome aboard matey!
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Introduce Yourself : Hey!

Recent Message Board Posts - Thu, 07/13/2017 - 13:28
Author: Krazie4Acans
Subject: Hey!
Posted: July 13 2017 at 7:28pm

Welcome! Glad you found us. Start a tank thread and load some pictures of your tank so you can track all your ups and downs of this journey.
I'm sure it will be great!
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Aquarium Related Classifieds : Two clownfish SOLD

Recent Message Board Posts - Thu, 07/13/2017 - 12:26
Author: bstuver
Subject: Two clownfish SOLD
Posted: July 13 2017 at 6:26pm

SOLD
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Aquarium Related Classifieds : Two clownfish SOLD

Recent Message Board Posts - Thu, 07/13/2017 - 11:37
Author: bstuver
Subject: Two clownfish SOLD
Posted: July 13 2017 at 5:37pm

Sorry it loaded sideways. These guys are now caught and ready to go as a guy no showed on me today
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Aquarium Related Classifieds : Two clownfish FS

Recent Message Board Posts - Thu, 07/13/2017 - 11:37
Author: bstuver
Subject: Two clownfish FS
Posted: July 13 2017 at 5:37pm

Sorry it loaded sideways. These guys are now caught and ready to go as a guy no showed on me today
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Aquarium Related Classifieds : Two clownfish SOLD

Recent Message Board Posts - Thu, 07/13/2017 - 11:36
Author: bstuver
Subject: Two clownfish SOLD
Posted: July 13 2017 at 5:36pm

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Aquarium Related Classifieds : Two clownfish FS

Recent Message Board Posts - Thu, 07/13/2017 - 11:36
Author: bstuver
Subject: Two clownfish FS
Posted: July 13 2017 at 5:36pm

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Aquarium Related Classifieds : Pair of Pajama Cardinals $25

Recent Message Board Posts - Thu, 07/13/2017 - 11:33
Author: bstuver
Subject: Pair of Pajama Cardinals $25
Posted: July 13 2017 at 5:33pm

Grr you're killing me!
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Aquarium Related Classifieds : Bio Cube & Utter Chaos

Recent Message Board Posts - Thu, 07/13/2017 - 09:53
Author: solofish731
Subject: Bio Cube & Utter Chaos
Posted: July 13 2017 at 3:53pm

do you have any pictures?
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Aquarium Related Classifieds : COLONIES FS-CHEAP

Recent Message Board Posts - Thu, 07/13/2017 - 09:48
Author: jungleboy
Subject: COLONIES FS-CHEAP
Posted: July 13 2017 at 3:48pm

That would be awesome! Thanks
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Aquarium Related Classifieds : COLONIES FS-CHEAP

Recent Message Board Posts - Thu, 07/13/2017 - 09:39
Author: Trevor40
Subject: COLONIES FS-CHEAP
Posted: July 13 2017 at 3:39pm

jungleboy wrote:

Do you still have hammer corals? 

It is all spoken for but I can left you know if there is any left after tonight.
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