PL vs Flourescent, Lamp, FL Options

[CHLeong]

Hi bro,
I am kind of confuse by many who has been using the term "PL" as Plant Light. To me PL is a model offer by both Oscram and Philips for their compact fluorescent lighting. PL lights is still fluorescent lights and can be bought from lighting shops.
Generally there are 3 common types of fluorescent tube, Daylight, Cool white and warm white (not including other colour and UV tubes). Each has a different colour spectrum and temp. Warm white and cool white cannot be used for planted tank or to start green water, except Daylight
Daylight flurosecent which has 6500K is good for both green water and planted tank and they can be bought cheaply from any electrical shop or departmental stores. Personally, i have successfully kept planted tanks with just normal "Daylight" FL. See attach pictures.





I stand to be corrected.

[namrfigk]

Hi bro,
I am kind of confuse by many who has been using the term "PL" as Plant Light. To me PL is a model offer by both Oscram and Philips for their compact fluorescent lighting. PL lights is still fluorescent lights and can be bought from lighting shops.
Generally there are 3 common types of fluorescent tube, Daylight, Cool white and warm white (not including other colour and UV tubes). Each has a different colour spectrum and temp. Warm white and cool white cannot be used for planted tank or to start green water, except Daylight
Daylight flurosecent which has 6500K is good for both green water and planted tank and they can be bought cheaply from any electrical shop or departmental stores. Personally, i have successfully kept planted tanks with just normal "Daylight" FL. See attach pictures.



I stand to be corrected.

if im not wrong, desireless mentioned in his journal that a minimum of 55w is needed to cultivate green water. yet the philips daylight deluxe only has maximum wattage of 40w, isn't this insufficient?