Looking for a particular crystal or want to see a list of what crystals we have? This list is what you need! You can scroll through from A to Z, or jump to a letter by using the paperclip button. Click on any crystal name to see what we currently have in stock.
The amazing simplicity and efficiency of rocket stoves, rocket stove mass heaters and rocket stove mass water heaters. What they are, how they work and how to make your own.
Learning about the different types of solar geysers / solar water heaters, from direct passive ICS’s to indirect active flat plates and everything in between, along with the pros and cons of each system