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So i adjusted the voltage and now i have them sitting at 35.8v with an even 300w from the power supply. these cobs definitely cant take anymore and im already only 50w from the maximum the power supply can do. I think i need to leave that 50w as headroom so it wont die prematurely. Watts from...

Yea that tank is not insulated at all lol. Any temp difference between it and the room it dumps into the room. A little late to take it apart and insulate it now...lesson learned for next tank. I was shocked with how much heat it took to get the water up to 80°f when the room is already turned...

The best way to put it is that i am consolidating 2 things into one. I had a tank heater in there running 24/7 300watts of heat just to try and keep the tilapia happy in there. They are ok with 70-75° but would be even better in the high 70's. If i have a higher power led system in there dumping...

Follow the 1/4" line coming from the T off of the 1/2" line, it has water coming from the tank directly and the line goes behind the grow bed down into the tank directly. I would never dump the warmed up water from the heatsink down into the grow bed directly.

The citi 1212s are quite a good value from what ive seen. Those have to be run at something like 20w to get 200lm/watt right? Havent looked at the v22 gen 7 chips yet, usually im looking at the 29s but i will definitely check it out. I just got done testing at higher wattages and the efficiency...

The tank is underneath the grow bed separate from the plants....what are you talking about? The tank water is 75.3°f and doesnt even go up a single degree. Thats a lot of water to put heat into. A 300watt tank heater doesnt even raise the water temp more than 5-10degrees above room temp. The...

They are crappy cobs, but at $2 each im not complaining lol. Suprising the cheapo cobs have come a long way. They are rated at 100w each but the led diodes used are .5w so 100 of them on the cob is actually 50w. Lumens rating does match epistars specs for the actual chip used and they seem like...

So i came up with an idea to have unlimited cooling on my led cobs i have been testing, i have an aquaponics system that uses a 200gallon tank with water sitting at room temp. The fish in it are tilapia that prefer warmer temps anyways, so i have a long aluminum gpu heatsink that i mounted to...