instructions

I have 3 AI Vega Colors’ over my 75 mixed reef. These lights are almost 8yrs old but still doing the job. (They’ve been in storage for half of their life) I’ve been using “easy mode” for light setups/ramps but I’m looking to play with the “manual timer setup” to have more control of when whites...

I've always wondered what manufactures really mean when they give dosing instructions based on "gallons." For example, Korallen-Zucht and Red Sea give dosing instructions for their additives in terms of X ml or X drops per 25 gallons. Gallons of what? Is it based on the rated tank size (my...