In my quest for the ultimate saltwater test kit, ive found that they can be quite expensive. After doing sum homework on the topic, ive decided that building my own may be a slightly cheaper alternative. I dont want to start from scratch tho, i would like to find a low cost, relatively high quality test kit and start building from there. Ive found some strong starting points, but would love some input from the professionals and more experienced reefers on the RC forums.