The Paludarium 3in1 bulb from Zoo Med combines the plant boosting performance from the FloraSun and UltraSun bulbs with the UVB found in the ReptiSun. This combination lighting contributes to an increase in activity levels and reproductive behaviors in a paludarium type enclosure. This is a compact fluorescent lamp that will offer beneficial UVB for a period of 12 months when used 10 to 12 hours per day .