bubbymac
Aquarium Advice Regular
i'm new to this saltwater thing and have a quick question. When i do the water change this weekend how much do i take out and then can i reuse the water or do i sust get rid of it. i have a 29g biocube. I bought 30gallon pre mixed sw at the lfs. i have 10 gallon left. can i put that in a rubber made container with a ph and heater on it and keep it instead of haning to buy new all the time?