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Since it is winter I would love new smart heater to warm up their space and I hope SF will soon be out with new inline and clip fan that are managable with CGS controllers.

I did some measurements and this is output: EC Ph Water from the pipe (tap water) 562 7.2 On day old tap water 562 7.5 Distilled water 2 6.8 Boiled water (1 day old) 508 8.1 So realy hard to get under 500 EC without reverse osmosis or using disilled water.

Do you use nutrients with each watering or you do some watering with tap water only (let us take one week for instance), asking myself since I am just about to start first coco coir grow only.

I love those humidity control packs, after properly dried and stored in jars with those packs, it is always guaranteed top smoking experience with perfect smell.

:) of course we all know basic rules, I have been growing inside for ~20 years, but there was a lot of studies regarding VPD and why not try to achive maximum potencial for them.

Since EBV-350S048SV driver is a constant-voltage (CV) driver with a 48V output and up to 7.3A of current. To use it effectively, you need LEDs or COBs that are: Designed for a 48V input voltage. Compatible with the driver's available current, ideally with an internal current regulation...

I can not see prices but those gadgeds are usually expensive. I have a plan (not sure when) to integrate IR temp sensor for leaf, there are quite cheap options (mlx90614 or mlx90615 temperature sensor with various lens addons (extending the range of sensor)).

This time, I plan to use a VPD chart during the growth process. As a proof of concept (POC), I set up a Raspberry Pi with DHT22 sensors to read temperature and humidity data. Based on this data, I calculate the VPD (air). Additionally, I use two adjusted parameters: VPD (leaf) at -2°C and +2°C...

This is the way I used my CREE CXB3590 3500K optimal is to run them @1.75A which means 61.4W per each COB so total drain for 5 is 307W using MEAN WELL driver HLG-320H-C1750B

But leaf edges curl can also be nutrient deficit (too much), I noticed it this year outdoors: two plants in same pot (Paradise seeds: Space Cookies had a problem while LA Amnesia did not), while light intensity was same for both.

I myself have been using a filter for years, which allows me to change the activated carbon (approx. once every 2 years - when you notice that the odors are escaping). What I noticed recently is that most Carbon Filters for Inline Duct Fan use a filter absorbed by activated carbon and no longer...

Auto Blueberry from Dutch Passion and Fast&Vast auto from heavyweightseeds.

Looking nice, how do you watering them, by hand?