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Posts Made By:
Gudwyn
Forum:
Large Reef Tanks
08/18/2007, 11:20 PM
Replies:
75
New House with custom fish room - 180 in-wall
Views:
7,987
Posted By
Gudwyn
I would recommend looking at an HRV unit. Kinda...
I would recommend looking at an HRV unit. Kinda pricy, but they usually have built in humidity control and won't drive up your heating/cooling costs.
Usually the installation is the expensive...
Forum:
Do It Yourself
08/14/2007, 10:14 PM
Replies:
63
J.A.P.A. (Just Another Plywood Aquarium)
Views:
6,796
Posted By
Gudwyn
mark, I saw your rcsd sketches in the prior...
mark, I saw your rcsd sketches in the prior thread. You need an side intake for water into the air exhaust or the rcsd will open an air flow and never close again.
Forum:
Lighting, Filtration & Other Equipment
07/05/2007, 11:40 PM
Replies:
6
Geothermal Cooling Closed Loop Designs
Views:
432
Posted By
Gudwyn
PEX has higher rate of thermal transfer than thin...
PEX has higher rate of thermal transfer than thin wall PVC. I use plastic compression pex fittings from home depot. Ordered 300' roll of pex online because it was cheaper even with shipping than at...
Forum:
Lighting, Filtration & Other Equipment
07/01/2007, 03:31 PM
Replies:
6
Geothermal Cooling Closed Loop Designs
Views:
432
Posted By
Gudwyn
Pex is probably the best bet. I buried 250'...
Pex is probably the best bet.
I buried 250' of pex in the trenches for my sprinkler system, another 100' of pex in the crawlspace. Ground temp looks to be 55F-60F right now.
In my sump, I have...
Forum:
Do It Yourself
12/12/2006, 10:54 PM
Replies:
48
Why do so few use gravity for ATO?
Views:
2,162
Posted By
Gudwyn
What's under the living room? Can you drill hole...
What's under the living room? Can you drill hole down to your crawlspace?
If you can't get 1/4" RO hose to the tank, you'll be stuck doing manual topoff or manual filling a topoff container. Not...
Forum:
Do It Yourself
12/12/2006, 05:11 PM
Replies:
6
Glass thickness for a 225
Views:
222
Posted By
Gudwyn
I have a 225 that is 72x24x30tall. It's 1/2"...
I have a 225 that is 72x24x30tall. It's 1/2" tempered starphire.
Forum:
Do It Yourself
12/12/2006, 04:49 PM
Replies:
48
Why do so few use gravity for ATO?
Views:
2,162
Posted By
Gudwyn
I use RODI into a brute on tall shelf in garage. ...
I use RODI into a brute on tall shelf in garage. Then it goes thru 1/2" PVC under the house and up into closet behind fish room.
Dual float switches control RODI feeder solenoid.
Dual float...
Forum:
Do It Yourself
12/12/2006, 04:40 PM
Replies:
21
Diy Chiller
Views:
873
Posted By
Gudwyn
You can definitely get CaCl concentrations that...
You can definitely get CaCl concentrations that will not freeze in any freezer you own. But it may be a thick/corrosive solution to pump around. 20% by weight solution will freeze at ~0F. And 25%...
Forum:
Do It Yourself
12/12/2006, 12:52 PM
Replies:
21
Diy Chiller
Views:
873
Posted By
Gudwyn
Interesting idea. This one is different than the...
Interesting idea. This one is different than the typical dorm fridge.
Won't the expansion of the water into ice crack your freezer? Maybe you can put another more flexible container (rubbermaid...
Forum:
Do It Yourself
12/06/2006, 03:36 PM
Replies:
43
my diy cooling system
Views:
2,514
Posted By
Gudwyn
I don't have the spec sheet. The stuff I got has...
I don't have the spec sheet. The stuff I got has an O2 barrier and was listed as primarily for in-floor heating but also acceptable for potable water lines.
Forum:
Reef Discussion
12/01/2006, 09:32 PM
Replies:
9
Using the aquarium to heat the apartment
Views:
473
Posted By
Gudwyn
If you use electric heat, you can reclaim energy...
If you use electric heat, you can reclaim energy by using a dehumidifier rather than an exhaust vent to remove the excess humidity.
Heating via dehumidifier is 2-3x as efficient as heating by...
Forum:
Do It Yourself
12/01/2006, 07:11 PM
Replies:
43
my diy cooling system
Views:
2,514
Posted By
Gudwyn
spazz, looks you you are running tank water thru...
spazz, looks you you are running tank water thru the loop instead of using an exchanger.
How did that work for you? Any problems with rotten-egg smell?
I just buried 300' of 1/2" pex pipe in...
Forum:
The Reef Chemistry Forum
07/27/2006, 12:16 PM
Replies:
7
question on Calcium reactor effluent
Views:
218
Posted By
Gudwyn
I would recommend mixing the effluent with tank...
I would recommend mixing the effluent with tank water before degassing. You are less likely to precipitate.
This isn't as hard as it sounds. Right now I have a GFO reactor fed by 1/2" tubing at...
Forum:
Lighting, Filtration & Other Equipment
07/14/2006, 12:56 PM
Replies:
19
What do you do with your RO/DI wastewater?
Views:
477
Posted By
Gudwyn
I have a 44gal brute container in my yard sitting...
I have a 44gal brute container in my yard sitting on a 4' tall shelf made with 2x4 and some framing brackets.
The RODI waste goes in there and a drain tube sends the excess into a gutter...
Forum:
Lighting, Filtration & Other Equipment
07/09/2006, 12:13 PM
Replies:
13
Head loss question
Views:
369
Posted By
Gudwyn
To the OP. Gross level rule of thumb: look up...
To the OP. Gross level rule of thumb: look up two 3/4" lines in the table as-if you were running a single 1" line. It's about the same cross section.
Another gross level rule of thumb: in our...
Forum:
The Reef Chemistry Forum
07/06/2006, 10:05 PM
Replies:
13
Do-It-Yourself Magnesium Supplements for the Reef Aquarium
Views:
1,188
Posted By
Gudwyn
"So should it be 7.25 cups of MAG flake to 3/4...
"So should it be 7.25 cups of MAG flake to 3/4 Cup of Epsom Salts?"
I was about to ask the same question. Looks backwards to me, but I'm not a chemist. Think I'll stick to the old recipe with...
Forum:
The Reef Chemistry Forum
07/01/2006, 08:48 PM
Replies:
8
Nitrate Is Killing Mee!!
Views:
373
Posted By
Gudwyn
Seems to me that the least invasive solution is...
Seems to me that the least invasive solution is simply to start growing macro-algae in a fuge. That's an export that will still work once it's a reef.
If you dose a little iron, provide plenty of...
Forum:
The Reef Chemistry Forum
06/16/2006, 12:30 PM
Replies:
11
what is the consequence of not maintaining Calcium?
Views:
495
Posted By
Gudwyn
Lack of Alk supplementation is likely to be a...
Lack of Alk supplementation is likely to be a bigger problem in the short term. Buy Alk and Ca test kits, you'll need them.
You might want to consider getting some baking soda and a container of...
Forum:
The Reef Chemistry Forum
06/12/2006, 01:21 AM
Replies:
23
Tank Chemistry Question
Views:
488
Posted By
Gudwyn
With regard to your current situation: 0....
With regard to your current situation:
0. Read Randy's articles so you understand what is happening. Then make changes slowly.
1. stop adding the buffer, just try to improve airation (skimmer...
Forum:
The Reef Chemistry Forum
06/12/2006, 01:08 AM
Replies:
23
Tank Chemistry Question
Views:
488
Posted By
Gudwyn
Don't use buffers to adjust pH. In theory,...
Don't use buffers to adjust pH.
In theory, better airation will fix your pH if your alk is in the right range.
But the easiest fix (in my opinion) is to set up a limewater drip to replace your...
Forum:
The Reef Chemistry Forum
06/06/2006, 12:32 AM
Replies:
4
What is the best time to test alk/ca?
Views:
197
Posted By
Gudwyn
It doesn't matter what time you test for Ca/alk. ...
It doesn't matter what time you test for Ca/alk. The levels don't vary from hour to hour.
pH rises during the day due to photosynthesis consuming CO2. Less CO2 at the same alk raises pH. But...
Forum:
The Reef Chemistry Forum
06/05/2006, 11:11 PM
Replies:
7
Dosing kalk....myths and facts
Views:
316
Posted By
Gudwyn
Yeah, read the article. Good stuff in there. ...
Yeah, read the article. Good stuff in there.
I've found that dosing kalk with a nilsen is an easy way to provide calcium and alk and it helps keep the pH up.
It's not sufficient to meet my...
Forum:
Reef Discussion
06/05/2006, 05:30 PM
Replies:
20
How do I get rid of aiptaisia?
Views:
333
Posted By
Gudwyn
I tried nuking them with kalk, but never got a...
I tried nuking them with kalk, but never got a clean kill and they would divide. Then I would have even more of them.
So I added peppermints. Didn't seem to help.
So I started nuking them...
Forum:
The Reef Chemistry Forum
06/04/2006, 11:07 PM
Replies:
4
Dead LR, high nitrate?
Views:
136
Posted By
Gudwyn
I kept my LR in the garage for about 8 wks while...
I kept my LR in the garage for about 8 wks while I redid the tank. Just bubbled air thru it and did a water change every few weeks. It was fine.
I would swish the rock in a bucket of saltwater...
Forum:
The Reef Chemistry Forum
06/04/2006, 12:14 PM
Replies:
17
redfield ratio
Views:
484
Posted By
Gudwyn
Has anyone tried dosing nitrate to consume...
Has anyone tried dosing nitrate to consume phosphate thru macro growth?
My nitrate is <1ppm and phosphate has no reading on salifert test kits. BB tank. I use carbon and GFO in forced flow...
Showing results 1 to 25 of 485
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