hps lights as opposed to mh....

[K_S_W_I_S_S]

i keep hearing about these retrofit kits, what are they???

 

[aquatic-store]

http://ahsupply.com/36-55w.htm

Read up

marc
Http://www.Aquatic-store.com

Co2, Plants, Substrate, Filters, Heaters, Tanks UV and more

 

[Skittyfish]

I bought 2x55 w pc from AHsupply and built the light box that they show. A lot more inexpensive than buying the ones already put together!