Search results

Has Anyone ever used these Optical Sensors for an ATO??? Looking to Build one and seeing if this is a good brand

Hello everyone! My name is dan and i just made the transition into SW!! starting off with a nice 29g oceanic bio cube for my first set up. Finished my rock setup. Got my nitrogen cycle started wednesday but already had to do a 50% water change since i was up to 8ppm got it done today now im off...