I havent noticed one yet but I am sure it will increase it a little without any fans. The bulbs are a little hotter. I think if I add two 80 mm fans to the back of my hood it should cool it down a lot. I live in Louisianna so the temp. here is usally hot. My tank stays pretty warm, I am not sure how warm it is because my thermometer is apparently broken. The tank usally stays in the 80° F range. Uppers in the day and lowers at night. Since I did the odno on my hood my plants are pearling a ton. Its pretty cool.
55 gallon planted in the works
Schultz Aquatic soil
DIY Canister filter 500 gph
DIY Lighting Over Driven 200 watts
Pressurized 15 lb C02
DIY reactor
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