I think it's about time I finally started this. I'm probably going to be running 12ish 3w leds (3.7v ~800ma) for a total of ~3.6wpg and diy co2
. Since I can't take my 29 or my 40B with me to school, I want to be able to continue my planted tank at school, and 10 gallons don't have very good lighting to start with.
I'm also considering finally starting my baking soda co2
system. When you heat baking soda, it releases co2
, but it needs to be pretty hot. I'm wondering if could run copper pipes from the heatsink to a container with the baking soda, and use the heat from the leds to power my co2
. If not, I can use a peltier (thermo electric cooling) where you run it at 12V, one side gets very hot, and the other gets very cool. Electricity isn't a problem, so the efficiency of the peltier shouldn't be an issue. One problem I see possibly is condensation, but we can worry about that later. I guess baking powder can come in a liquid activated form, where when you add a liquid, it will begin releasing co2
. This could work very well for this application. Either add the liquid at the beginning, add a needle valve and some container that can keep up with the pressure.
I'll post a little more once I get my budget approved (parents) and find a suitable power source. If I make two strings of 6 leds, that'd be 1.6A and a little over 22V, which is reasonable. I'm hoping to be able to be close enough to the power supply voltage to be able to not have to have a resistor in the series, but any suggestions will be helpful