Fish tank water is basically liquid gold for plants, that's not lazy at all. She's been feeding that thing a steady diet of fish poop and bacteria for 30 years, your fancy bottled stuff probably can't compete with that living nutrient soup. Sometimes the simplest routine wins because it's consistent, and plants hate change more than they hate being hungry.

... which is exactly how my uncle tried to grill a frozen turkey one Thanksgiving. He kept poking it and insisting the coals were hot enough because there were flames, but there's a big difference between fire and actual heat that transfers into the meat. Some folks just get married to their setup and can't hear that the problem is staring right at them.

Is saving 12 studs really worth changing your whole build?