I'm setting up a low tech 15 gallon, I've been told the watt per gallon rule is outdated and inaccurate, how many watts is needed then for my 15 gallon? Also, would anyone recommend me this LED light as a low light? https://www.amazon.com/dp/B0191EWII2/ref=psdc_2975458011_t2_B06XKQM83C "Kelvin...

So I'm putting together a small planted bowl and I don't want to deal with cats drinking from it constantly if I set it out to recieve sunlight, so my question is if I set it next to my aqueon evolve would that be enough light to support java moss? I'd like for it to grow in this bowl, even if...

I curretly have a TOM 9W light for my Finnex 4 gallon. It works fine but hate how the light hangs off the side (see link in my sig). Anyone know affordable good looking lights that would rise from the back of the tank? Price range under $60. Don't want any more watts than 15 Like in these...