Thanks guys, also what if i were to do a 50/50 or even 70/30 keep some sand and mix in new sand in the rest?
also Gareth Elliot im far to lazy to be cleaning out sand haha i rather just spend the 40-50 bucks to buy new sand.
Any thought on going bare bottom, i did get a chance to watch some BRS videos on ultra low maintenance tanks, they did say that AIO was the way to go for ULM but they did talk about how bare bottom was also a plus in this category, saying how after the first year the sand ends up just retaining all the bad stuff.
i personally hate the look of bare bottom always looks messy to me but it may be an option at this point