Do I really need to buy?

[Aquattro]

Originally Posted by jazzywashbuckler

Lol them LFS guy eh . I mean what maintenance is a must every month, because people are saying u need to does this dose that, add this add that. This is a very confusing hobby lol.

Yes, you may have to dose this and that, depending on lots of things. You can dose manually, or buy a doser, or a Ca reactor, or a kalk reactor.