Also I definitely don't need a chiller right now as temps are between 1-18°C, but coming into summer, I've got a chiller on hold - correct size/volume, to keep things around 20c. It also heats so would be great now- but budget dictated I got a fish pond Aqua One 200w glass heater for $25Your light is your biggest investment and generally speaking you get what you pay for. You mentioned an electrician friend, could he not help build a cob or two? There's plenty of guides on the Web. You may also want to look at a water cooler for your nute solution when you had into summer. Nice set up.
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