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hydroponics/readme.MD
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## Aim/Reason
Due to the nature of a solar powered system there is lots of sun in the summer and not much sun in the winter, I've focused on building a setup that manages to run all winter and this has resulted in 'overspeccing' the solar panels and squeezing the efficiency of the system. It meant that in the summer there was execess solar power just going to waste. I thought about various ways we could use it up such as run more devices/services but it felt that this wasn't a positive use. Instead I thought we could use the execess power to run hydroponic grow lights and reap the benefits (literally).
Due to the nature of a solar powered system there is lots of sun in the summer and not much sun in the winter, I've focused on building a setup that manages to run all winter and this has resulted in 'overspeccing' the solar panels and squeezing the efficiency of the system. It meant that in the summer there was excess solar power just going to waste. I thought about various ways we could use it up such as run more devices/services but it felt that this wasn't a positive use. Instead I thought we could use the excess power to run hydroponic grow lights and reap the benefits (literally).
## Successful setup
The whole process was a bit of an experiment and after a big fail of a start and some upgrades I did manage to grow a number of basil plants and their harvest resulted in fresh basil for cooking and at the end of the season we made pesto and coupled with our home grown (outside) tomatoes had a lovely meal of bruscheta (we didn't make the sourdough toast or the butter - apologies).
@ -12,7 +12,7 @@ The approach that worked was to use the Kratky method of Hydroponics:
* 6 3d printed Netcups
* Rock wool starter medium with some clay balls to fill in gaps
* 3 basil seeds per starter (which were thinned down to 1)
* Buddha Tree Organicus feed (from (PremierGrow)[https://premiergrow.com/collections/nutrients-additives/products/buddhas-tree-organicus-1-litre])
* Buddha Tree Organicus feed (from [PremierGrow](https://premiergrow.com/collections/nutrients-additives/products/buddhas-tree-organicus-1-litre))
* 2 * 12V 72 LED strips (+ a 2 strips of red/blue leds but i'm not sure they contributed much) - (from https://amzn.eu/d/9K7ShHZ but I now try not to buy from Amzon)
* 12v Relay controlled by 'dietpi' - I varied how long I would have the lights on for but usually about 12-14hrs, often starting a little later in the day so that I wasn't drawing lots of power from the battery before the solar panels had started to work.
* 5V 10W USB Water Heater, set to 18C (from https://amzn.eu/d/8pRSIyF)