Re: [APD] Welcome to the "Aquatic-Plants" mailing list (Digest mode)

["Wise, Nicholas" <Nicholas_Wise at eon-us.com>]

Check yer math, bub.  200L isn't 5 gallons

> -----Original Message-----
> From: aquatic-plants-bounces at actwin_com 
> [mailto:aquatic-plants-bounces at actwin_com] On Behalf Of S. Hieber
> Sent: Friday, January 27, 2006 1:21 PM
> To: aquatic plants digest
> Subject: Re: [APD] Welcome to the "Aquatic-Plants" mailing 
> list (Digest mode)
> 
> Oh, what Imeant was watts per gallon, which means 
> watts/gallon. Aquarium volume is the denominator and rated 
> bulb watts is the numerator.
>  
> If the example is 80 watts over a 200 liter aquarium, that 
> equates to about 80 watts per 5.284 gallons, which equates to 
> about 15 watts per gallon.
>  
> 80 watts over a 5 gallon tank is a lot of light.
>  
> If it was a 200 gallon aquarium, that would be less than half 
> a wpg; 80n watts is not a lot over 200 gallon aquarium, in 
> fact, it's downright dim.
>  
> Scott H.
>  
> 
>  
> * * * * * * * * * * * It's new; it's fun; it's the New 
> England Aquatic Plant Society NEAPS, is a newly formed 
> organization interested in aquarium flora and fauna. 
> http://www.ne-aquaticplants.com/ 
> 
> 
> ----- Original Message ----
> From: Stuart Halliday <stuart at stuarthalliday_com>
> To: aquatic plants digest <aquatic-plants at actwin_com>
> Sent: Friday, January 27, 2006 12:35:17 PM
> Subject: Re: [APD] Welcome to the "Aquatic-Plants" mailing 
> list (Digest mode)
> 
> 
> I believe S. Hieber wrote this email section below:
> > Wise comments, but I will eleaborate a bit more.:
> > 
> > "Watts per gallon" is a technique for estimating lighting 
> levels. You 
> > take the reated watts of the bulbs over an aquarium and 
> divide by the 
> > nominal volume of hte tank. The estimated watts-per-gallon that you 
> > compute this way allows you to work towards a target level 
> of lighting.
> > What's the target? There are diff ones depending on goals, plants, 
> > conditons, variations in equipment and gardening 
> techniques. But these 
> > rules of thumb will serve just abut everyone well.
> 
> Gosh.
> 
> I've got a 200L tank with 2x 40W bulbs so that works out at
> 
> 80/200 = 0.4!
> 
> sure you don't mean 200/80? Cause that makes 2.5
> 
> 
> BTW, what is 'reated watts'?
> 
> --
> Stuart Halliday
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