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Search: Keyword(s): ; Posts Made By: Dalban
Forum: Equipment 03-29-2014, 03:15 PM
Replies: 211
Views: 23,726
Posted By Dalban
Actually, all of the test described in the first...

Actually, all of the test described in the first post of this thread applies equally to single-stage regulators -- except for the note at step 2 F. Contrary to the implication in the original post,...
Forum: Equipment 05-04-2013, 07:05 AM
Replies: 211
Views: 23,726
Posted By Dalban
Unless I've missed something, I believe there's...

Unless I've missed something, I believe there's an import test that's missing from the set of procedures outlined in the first post. Folks should run a stop test to validate that their regulator is...
Forum: Lighting 12-26-2009, 06:10 AM
Replies: 7
Views: 3,546
Posted By Dalban
Workhorse is a decent ballast. If you want...

Workhorse is a decent ballast. If you want something a little fancier -- something that is supposed to be easier on the bulb, I recommend Sylvania 49161 (QTP 4X 54T5HO) or its equivalent (e.g., an...
Forum: Substrate 12-26-2009, 05:29 AM
Replies: 1,061
Views: 167,020
Posted By Dalban
Salt-lite also includes a lot of salt blended...

Salt-lite also includes a lot of salt blended with iodide among other things -- this is probably not what you want. A more reasonable alternative might be Morton's "Salt Substitute" which claims to...
Forum: Substrate 12-07-2009, 05:37 AM
Replies: 1,061
Views: 167,020
Posted By Dalban
Anyone looking for muriate of potash, should...

Anyone looking for muriate of potash, should consider searching for potassium chloride on ebay. (Potassium Chloride, is the same as Muriate of Potash....
Forum: Lighting 04-01-2009, 04:37 AM
Replies: 3
Views: 854
Posted By Dalban
I have an icecap reflector and it measures just...

I have an icecap reflector and it measures just shy of 3" wide. I suppose you might be able to really jam it in somewhere to force the sides up. But, if you want something narrower, I'd recommend...
Forum: DIY 03-30-2009, 06:25 AM
Replies: 174
Views: 49,652
Posted By Dalban
Thanks for the response, even if belated :) ...

Thanks for the response, even if belated :) Here's my belated response to yours.


Luxeon's are rated for 70% (not 95%) (http://www.philipslumileds.com/pdfs/DS60.pdf) LM at 50k hours.


Small...
Forum: DIY 03-23-2009, 11:28 PM
Replies: 174
Views: 49,652
Posted By Dalban
Nice crate of goods! It also looks like you...

Nice crate of goods! It also looks like you ordered all of this from one place. Please let us know where you ordered from.
Forum: Equipment 03-20-2009, 09:48 PM
Replies: 13
Views: 679
Posted By Dalban
Sounds like a plan. Let us know what you come up...

Sounds like a plan. Let us know what you come up with!
Forum: Equipment 03-20-2009, 09:33 PM
Replies: 13
Views: 679
Posted By Dalban
TO answer your question (since no one else has),...

TO answer your question (since no one else has), the usual practice is to use a standpipe and/or an overflow box inside the tank. If you have either of these things, you're pretty much assured that...
Forum: DIY 03-20-2009, 04:13 PM
Replies: 174
Views: 49,652
Posted By Dalban
I'll ask you the same question I asked Hoppy: why...

I'll ask you the same question I asked Hoppy: why assume that you'll change your bulbs every year? T5 bulb end of life lumen maintenance is reported to be better than 95% -- and their life is rated...
Forum: DIY 03-16-2009, 11:24 PM
Replies: 398
Views: 109,115
Posted By Dalban
Ahh. I guess that also explains the high...

Ahh. I guess that also explains the high electricity rate you're using (i.e., Alameda PG&E rates are about 25% less the rate you've used). And, for others who are following along, California rates...
Forum: DIY 03-16-2009, 05:24 PM
Replies: 398
Views: 109,115
Posted By Dalban
I'm curious, why do you replace your bulb so...

I'm curious, why do you replace your bulb so often? Typical T5HO bulbs are rated at 20,000-30,000 hours with end-of-life lumen maintenance rated at about 95%.

I'm always keen to find factual,...
Forum: Lighting 03-13-2009, 10:38 PM
Replies: 14
Views: 1,276
Posted By Dalban
Be careful when looking at prices alone,...

Be careful when looking at prices alone, especially on small quantities. I've found some of these retailers gouge you on shipping.
Forum: Lighting 03-13-2009, 06:03 PM
Replies: 14
Views: 1,276
Posted By Dalban
Aquacave has them for good price and low shipping...

Aquacave has them for good price and low shipping costs.
Forum: DIY 03-12-2009, 08:16 PM
Replies: 14
Views: 4,335
Posted By Dalban
These caps are distributed by sunlight, but they...

These caps are distributed by sunlight, but they don't manufacture them. They're manufactured in Italy by a company called Stucchi.
Forum: DIY 03-12-2009, 08:13 PM
Replies: 14
Views: 4,017
Posted By Dalban
Something like this...

Something like this (http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=220374318027) would be more appropriate (and a lot cheaper).
Forum: DIY 03-12-2009, 05:52 AM
Replies: 14
Views: 4,335
Posted By Dalban
Can you tell from these pictures alone? I've only...

Can you tell from these pictures alone? I've only ever used the non-shunted style so I can't be sure, but I do know this manufacturer makes both shunted and non-shunted T5 end-caps (that look the...
Forum: DIY 03-12-2009, 03:59 AM
Replies: 122
Views: 22,495
Posted By Dalban
Fair enough. Although, I have to say, sitting in...

Fair enough. Although, I have to say, sitting in your appt for over a year should be proof enough that it was fine. ;)



For your reference, DOT-3AL is the Dept of Transport's "cylinder type"...
Forum: DIY 03-12-2009, 03:48 AM
Replies: 122
Views: 22,495
Posted By Dalban
I agree, but in this case the situation is not...

I agree, but in this case the situation is not "extremely dangerous" so all you're doing is raising hysterics (IMHO). It sounds like Core has been sufficiently frightened, so this discussion is...
Forum: DIY 03-12-2009, 02:11 AM
Replies: 14
Views: 4,335
Posted By Dalban
A Workhorse 3 will run a single 54W lamp -- but...

A Workhorse 3 will run a single 54W lamp -- but you might consider getting a 5 or a 7 if you plan to run more lamps in the future. I *think* naturallighting.com has the best deals on Workhorse...
Forum: DIY 03-12-2009, 02:03 AM
Replies: 122
Views: 22,495
Posted By Dalban
Eh? How do you figure that?! The pressure...

Eh? How do you figure that?!

The pressure of gases are described by Gay-Lussac's gas law. It's very straight forward: pressure is exactly proportional to absolute temperature. Increase...
Forum: DIY 03-12-2009, 01:01 AM
Replies: 14
Views: 4,335
Posted By Dalban
To begin, this ballast is designed to run a PC...

To begin, this ballast is designed to run a PC compact lamp, not a T5 lamp. There's a very real risk that you'll blow either the lamp or the ballast or significantly shorten the life of one or the...
Forum: DIY 03-11-2009, 03:48 PM
Replies: 122
Views: 22,495
Posted By Dalban
Hoppy, we all appreciate your concern, but you've...

Hoppy, we all appreciate your concern, but you've now suggested twice that it is likely this tank has something other than Co2 in it -- that suggestion is not realistic. There is almost no chance...
Forum: DIY 03-10-2009, 05:01 PM
Replies: 122
Views: 22,495
Posted By Dalban
I use it and it works fine. I only wish I could...

I use it and it works fine. I only wish I could find a solenoid that was both cheap and low power (e.g., less than 6 watts) -- but that's a topic for another thread.
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