When I was growing up, we were actually taught computer programming in school using punch cards that needed to be inserted into the computer. It was extremely rudimentary and slow, but it did teach me one valuable lesson: garbage in,…
Commercial In-Line Dual TDS Monitor DM-2
One product that is easily overlooked are in-line TDS monitors. While these are popular, most hobbyists purchase a lower end model. However, we’ve been hearing whispers from aquarists about a DM-2 model which is a huge upgrade from the still…
