Another round of images from the new seedlings. Two vents are now open at all times. They are on 20/4 light HPS 400 @ 275watt. Ambient in the tent is avg. 16 C now and the heater of the mini hothouse is on 24/7.
My double boiler technique is working well. The moisture recondenses and runs down the walls back into the bottom. The nutrient solution inside the inner 'boiler' dish is much cooler and evaps less and keeps the root cubes moist longer.
Roots are starting to peek out the side of the cubes already.
The burns are from an overzealous spraying incident.
Yesterday all the bigbudauto plants got taken. They're now drying and waiting to be extracted. They will be put in a suspension of ethanol in a freezer for emergency supply. Experiments have demonstrated that it is a very good way to suspend any oxidation and degradation in the resin.
It's starting to get pretty cold so I placed some foam between the concrete and the water reservoirs. A disadvantage to having more then one res. So to solve this temporarily I'v opted for heating pads. Ill place them under the res and that will keep them nice and snug. In the future, full aluminum custom built resses with heaters and stirrers will avoid these issues, but as this is the test phase, its off the shelf for now.
After not having had all those led panels produce so much noise, the silence is quite soothing. The loudest noises are the watering cycle. If the leds dont run with their respective hoods and fans off in the AC, then they are gone for good. i'll live with the heat, but the noise is infernal. Cheap ass PC fans. In stead of 10 little fans, why not one giant panel sized fan? And How about some speed control on the fan? And why not suck the air through the panel and up instead of pulling in hot air from above the panel and blowing it out the sides. Mickey mouse engineering.
Like I said, we'll have a go at it here with a variety of panels, but I am not optimistic.