Gro Supplies offers largest collection of water butts and specializing in hydroponic Water Butts. Water butts are available with stands and taps to make emptying the water/nutrient from the water butt easier.
If you find yourself in the Plastic Injection Moulding Industry and you struggle to understand procedures and principles involved, then this is the place to go. Here you can get a direct link to books that explain in great depth the WHY we do things in plastics, and the books go in greater detail explaining what is happening, including DieSetting and Troubleshooting