Reef Central Online Community

Home Forum Here you can view your subscribed threads, work with private messages and edit your profile and preferences View New Posts View Today's Posts

Find other members Frequently Asked Questions Search Reefkeeping ...an online magazine for marine aquarists Support our sponsors and mention Reef Central

Go Back   Reef Central Online Community Archives > Search Forums
Reload this Page Search Results
FAQ Calendar Today's Posts Search

Page 1 of 6 1 2345 Last »
Showing results 1 to 25 of 126
Search took 0.04 seconds. Search: Posts Made By: karma
Forum: Do It Yourself 10/18/2007, 02:32 AM
Replies: 3
Views: 243
Posted By karma
Murph1083, Check the following page:...

Murph1083,

Check the following page: http://www.emesystems.com//BS2index.htm#webRing

This page addresses how to interface various probes to the Basic Stamp controller specifically, but it is a...
Forum: Lighting, Filtration & Other Equipment 06/17/2007, 06:14 AM
Replies: 10
Views: 391
Posted By karma
Try posting in the Neptune forum. I think there...

Try posting in the Neptune forum. I think there are several people over there who have some experience with the Lunar Sim unit.
Forum: Reef Discussion 05/20/2007, 09:04 AM
Replies: 3
Views: 270
Posted By karma
Here is a close up pic and explantion of the...

Here is a close up pic and explantion of the plumbing for the system.

The left tank is the DI tank. It has a 1" bulkhead fitting in the left front corner that carries water to the Mag. The water...
Forum: Reef Discussion 05/20/2007, 08:27 AM
Replies: 3
Views: 270
Posted By karma
Gig, Here is my set up. It consists of 2 -...

Gig,

Here is my set up. It consists of 2 - 55 gallon polyethylene tanks sitting on a wooden shelving unit that used to house some freshwater tanks. The left tank is the DI reservoir and the right...
Forum: Reef Discussion 04/01/2007, 07:22 AM
Replies: 24
Views: 522
Posted By karma
The "pressure treated" wood is BAD stuff. I would...

The "pressure treated" wood is BAD stuff. I would not use it.

Up until 2004, most of the "pressure treated" wood was treated with a compound called chromated copper arsenate (CCA). The name pretty...
Forum: Do It Yourself 03/11/2007, 07:07 AM
Replies: 18
Views: 829
Posted By karma
Glad I could help. Any of the places that sell...

Glad I could help. Any of the places that sell the Octo should have the probe. I think Champion Lighting had the best price.

I've been using a Microchip PIC for my tinkering, but I have looked at...
Forum: Do It Yourself 03/09/2007, 07:58 AM
Replies: 18
Views: 829
Posted By karma
Sorry for the delay getting back to you. You...

Sorry for the delay getting back to you.

You essentially have the correct idea, except you have the axes flipped. The conductivity goes on the Y-axis and the frequency (or more correctly, the...
Forum: Do It Yourself 03/07/2007, 06:50 AM
Replies: 18
Views: 829
Posted By karma
snabss, The relationship between the...

snabss,

The relationship between the frequency or voltage and conductivity should be more or less linear over the range that we would be interested in. This means they should be related by a...
Forum: Lighting, Filtration & Other Equipment 02/17/2007, 07:42 AM
Replies: 1
Views: 145
Posted By karma
Search for "enclosures" at any of the following: ...

Search for "enclosures" at any of the following:

www.mouser.com
www.digi-key.com
www.mcmaster.com

At Digi-key and Mouser, you will get a huge selection. I would suggest narrowing the field to...
Forum: Do It Yourself 02/11/2007, 07:55 AM
Replies: 18
Views: 829
Posted By karma
Tang Salad & skunkmere, Check out this link...

Tang Salad & skunkmere,

Check out this link ( http://www.emesystems.com//OL2mhos.htm ) to see why you can't just use a multimeter. I have built this circuit and it gave me readings that were...
Forum: Randy Holmes-Farley 01/22/2007, 04:09 AM
Replies: 15
Views: 1,684
Posted By karma
Dooooh! I should know better! I know how my...

Dooooh! I should know better! I know how my students feel now. Ha!
Forum: Randy Holmes-Farley 01/20/2007, 09:39 AM
Replies: 15
Views: 1,684
Posted By karma
Dang, I dropped from a Master last year to only a...

Dang, I dropped from a Master last year to only a Senior (84%) this year.

Number 26 doesn't make sense as I'm looking over the answers.

The correct answer is indicated as "C: Removal of nearly...
Forum: Lighting, Filtration & Other Equipment 12/19/2006, 04:15 AM
Replies: 427
Views: 33,496
Posted By karma
Robby, I'm pretty sure the firmware on the...

Robby,

I'm pretty sure the firmware on the Octopus 4000 can be upgraded. The firmware on my 3000 is stored in Flash memory and I have upgraded it before. My understanding is that the 4000 is...
Forum: Lighting, Filtration & Other Equipment 03/10/2006, 07:42 AM
Replies: 2
Views: 165
Posted By karma
I've had an Octo 3K for about 7 years. I also...

I've had an Octo 3K for about 7 years. I also have had an AquacontrollerPro for the past 2 years. The Octo is a good controller. Personally, I have found it more stable and less prone to...
Forum: Reef Discussion 02/28/2006, 07:41 AM
Replies: 1
Views: 95
Posted By karma
The DO probe doesn't seem to be very popular with...

The DO probe doesn't seem to be very popular with most users. Probably because it costs ~400 just for the probe. Also the probes are problematic over the long run. The membranes develop biofilms...
Forum: Reef Discussion 02/22/2006, 07:26 AM
Replies: 2
Views: 113
Posted By karma
A few years back I was told by both Aquatic...

A few years back I was told by both Aquatic Ecosystems and Little Giant that it would cause damage to the bearings to run the pumps that way. Little Giant pumps have oil holes for the front and rear...
Forum: Reef Discussion 01/15/2006, 08:46 AM
Replies: 2
Views: 205
Posted By karma
Check this out. ...

Check this out.

http://www.neptunesys.com/comparison.htm
Forum: Randy Holmes-Farley 01/07/2006, 08:38 AM
Replies: 4
Views: 1,262
Posted By karma
Skip, I took it before 10am. I went back...

Skip,

I took it before 10am. I went back later to look over the explanations on the ones I got wrong. That's when I noticed the problem.

So you guys probably had fixed it by then.
Forum: Randy Holmes-Farley 01/06/2006, 11:56 AM
Replies: 4
Views: 1,262
Posted By karma
pH of limewater question on chemistry quiz

Randy,

I think there might be a problem with question #34 on your chemistry quiz.

The key is scoring answer "C" (12.15) as correct, but the explanation states the the correct pH is 12.45...
Forum: Lighting, Filtration & Other Equipment 10/23/2005, 07:39 AM
Replies: 6
Views: 257
Posted By karma
It could be the pH 7, but it's probably more...

It could be the pH 7, but it's probably more likely that it is the pH 10 buffer. It picks up atmospheric CO2 which lowers the pH of the solution.

Check out these 2 articles:
...
Forum: Reef Discussion 09/01/2005, 06:18 AM
Replies: 3
Views: 187
Posted By karma
If the temperature probe is plumbed into the...

If the temperature probe is plumbed into the unit, it makes a lot of difference. The temp probe should be on the input side. If you reverse the flow, the chiller will sense the chilled water coming...
Forum: Atlanta Reef Club 07/29/2005, 06:03 AM
Replies: 4
Views: 1,453
Posted By karma
Matt, Try McMaster-Carr (www.mcmaster.com)...

Matt,

Try McMaster-Carr (www.mcmaster.com) supply company. They have both the thin (#3) and the thicker (#16 I think) Weld-on products. They have a facility in the Atlanta area if you want to do...
Forum: Do It Yourself 07/13/2005, 09:31 AM
Replies: 2
Views: 229
Posted By karma
pasks, It took me awhile to locate the...

pasks,

It took me awhile to locate the information. It has been about 5 years since I made my cable.

The serial connector you get from Aquadyne is a male mini-DIN 8 to a male DB25. It is...
Forum: Do It Yourself 06/01/2005, 07:17 AM
Replies: 13
Views: 569
Posted By karma
It is a little more complicated than that. It is...

It is a little more complicated than that. It is a PIC microcontroller that listens for and then decodes the X10 signals that are transmitted from the Aquacontroller. Since this unit can operate...
Forum: Reef Discussion 06/01/2005, 06:55 AM
Replies: 4
Views: 176
Posted By karma
There should not be any difference. I would...

There should not be any difference. I would check the internet for the best prices. I usually get mine from X10.com, SmartHome, or one of the other home automation retailers. The controller...
Showing results 1 to 25 of 126
Page 1 of 6 1 2345 Last »

 
Forum Jump

All times are GMT -5. The time now is 06:52 PM.

Contact Us - Reef Central Archives - Archive - Top

Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Use of this web site is subject to the terms and conditions described in the user agreement.
Reef Central™ Reef Central, LLC. Copyright ©1999-2009