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thats the comparsion of brightness.. jus read the actual wattage..
if the bulb says to be 20w and is comparable to 100w then take 20w as the value
I have to ask .....
if you need 100 watt for a 2 ft tank...
How many energy saving PL do you get???
the package outside says consume 20watt of electricity but you getting 100watt kind of brightness....
so do you get one Pl 20watt =100watt brightness
or five PL 20watt = 500 watt brightness
I am confused[] ??????????????[
]
thats the comparsion of brightness.. jus read the actual wattage..
if the bulb says to be 20w and is comparable to 100w then take 20w as the value
OIC... thanks simon...
at first I thought only need to get one PL only.... since the 20watt has 100watt brightness...
This is what I understand. When a light says 20W it will consumes 20W.
But that doesn't mean it will convert 100% to "20W" of brightness... too bad else this will be a perfect world. Thus, Efficiency varies.
A poorly designed 100W may have the brightness of a 20W.
But then, brightness to you or to plant is another concern.
In this aspect, I am still learning ...... []
Resistance is futile, you will be administrated!
The comparisions are based on a normal incandescent bulb, i.e. the normal "yellow" light bulbs we use for lamps. So a 20W FL or PL that is equivalent to 100W means it takes 20W to produce the same aount of light as a 100W incandescent light bulb.
Watts is not an indication of brightness, it is the power usage.
Vincent - AQ is for everyone, but not for 'u' and 'mi'.
Why use punctuation? See what a difference it makes:A woman, without her man, is nothing.
A woman: without her, man is nothing.
If Watts is not an indication of brightnes and it is the power usage. then how does one determine how much brightness to use [:0] cos alway see people say watt per gallon or litre
so how does watt relate to brightness when you are using the energy saving ones?
i getting blur leow[
Actually I hope to borrow a meter that can measure brightness meaningful for plants. This will be absolute. Not sure is there sure device available.
Just got a twin 2x15W lighting (S$60) ... to try out Riccia.
But can't see much brightness difference from my single 15W Boyu lighting with a new Aquastart tube. geee ...
I am as confuse ... Ha
I think u guys confusing yrself.. LOL..
light requirements for plants, dependent on depth of tank.. light penetration for FL is weak.. especially if u got a 2ft deep tank, PL is okie, MH/MH will be a good choice.. sometimes even if u achieve the 3watts per gal rule, doesnt mean yr plants will do well, u oso have to consider light penetration, which is oso depending on the clarity of the water, blockage.. & etc
deck, if u need a 100watts, get PL.. wat's the size of yr tank?
Resistance is futile, you will be administrated!
The Watts/Gallon rule historically applies to FLs and PLs.
Vincent - AQ is for everyone, but not for 'u' and 'mi'.
Why use punctuation? See what a difference it makes:A woman, without her man, is nothing.
A woman: without her, man is nothing.
simon... my tank is 2ft.... lousy 20watt F(pinkish)l plus another 21watt table lamp(daylight)...
the riccia on drift wood...takes ages to grow.....since a 2 month ago... and now balding[
so that's why think of upgrading...
Read the famous Amano nature aquarium book, those 6ft tank use up to 240-320 watt for light demanding plant... wow[:0]
what would the minimum wattage need for a 6x1.5x1.5ft tank...plant vaires medium to high demanding plant.....
Will the large wattage trip the DB... cos I have only one power point which need to contect to fillters, co2 and all that lights[
Passion through Apisto
6x1.5x1.5 u should get a 622 and put 3 MH and u can put high light demanding plants to grow like crazy.
Cheers!
Benetay
pardon my stupiditee....and gooness
sorrie have to ask what's 622 and put 3 MH (mercury lamp???)
Passion through Apisto
oh sorry pardon my ignorant hehe it's 6x2x2 and MH is metal hilide.
Cheers!
Benetay
the riccia on drift wood...takes ages to grow.....since a 2 month ago... and now balding[
-----------------
deck.. u are a real joker.. referring your crop of hair as riccia.. hahaha..
anyway.. i find that.. 320W is a bit too much leh..imagine your electrical bill each month.. and the amt of maintenance that u have to do to retain the look.. sigh..
[:
Let us work together to preserve the world for our children to inherit by being responsible to our surroundings. Take nothing but pictures, leave nothing but footprints, bubbles and memories.
Passion through Apisto
6ft 320 watts too much?? i dun understand i'm using 2 MH 150watts each which is 300watts i still find it isn't enough it just barely made it.eletrical bills doesn't raise sky high, it's usually the air con that causes it.
If u can pay for yr air con u can pay for MH +)
Cheers!
Benetay
...ha ha ha..... kelvin...... have to replant the riccia on the driftwood again.... but the hair on my head cost too much to replant....[
bene... MH.... isit overhead hanging lamp used on the 6ft tank at gan??? how much do it cost???
Passion through Apisto
yes, it's $350 a peice.cheapest so far.
Cheers!
Benetay
cough.... cough... cough....[
bene- you got a picture??? on how you suspend it over your tank? on the ceiling??? where to get lobang? what kind of tube it use....???
Passion through Apisto
It's on the ciling yes i do have a pic of it but i do not want to post it here. if u got an email give me a pm and i'll send it thru yr Email. it's just like MV mercury vapour well it's just about the same. 350 is cheap there are better ones that cost 1-2k each.
Cheers!
Benetay
more coughing..... cough, cough....[
you can email me at [email protected]
i think the more expensive one .... have seen them like in exibition hall ceiling super bright and white...!!!! thanks again bene....
just now you mention use 2229 instead? but both 2028 and 29 have the same power
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