so what you suggest me to do???add 15 more watt maybe??the lighting system ill use is the usa satelite(i think something like that).thanks for the replies.JanS said:Sure, 2 should be fine.
The 3 WPG should be fine for the Riccia, and the Glosso I'm not sure about, but probably. The only factor is that a 29 is deeper so your light isn't going to penetrate to the bottom where the Glosso would be as well.