Tropical Fish Keeping banner

fishtank lighting

1K views 1 reply 2 participants last post by  cat fish 
#1 ·
I'm rebuilding a 70 gallon tank which has a 40 watt bio lux light installed (6000K) I know the correct watts should be around 80 watts, if I install a new lamp of 18000K should I still need to install a second 40 watt lamp??
 
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top