A number of infections and diseases may cause an enlarged spleen. The enlargement of the spleen may be temporary, depending on treatment. Contributing factors include: 1  Viral infections, such as mononucleosis.  Bacterial infections, such as syphilis or an infection of your heart's inner lining (endocarditis)
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If you don not want to build a wooden box, buy a grow tent. These were the internals. HPS Lamp + Ballast & Reflector, Fan, Airduct,. In this case, the light is a 400W HPS (High pressure Sodium). It needs a Ballast. And it emits a lot of heat, therefore I need to use a large fan. Because of the high energy consumption, I switched my energy tariff to cheaper night power. Therefore, my Marijuana Grow Box runs at night. Alternatively, use CFL Lights with reflector for less yield but a low imprint on the electricity bill and easier use. My grow box was installed on the second floor of an inner city building. The fan was transporting the air though the grow box out of the building.