As you can see on my aquariums photo I need as a set. Why do I but only after 30 years aquarium experience (especially with plants), only now on the idea come to me such a relief to purchase I do not (Depp). But you never stop learning yes. So I say as an experienced plant aquarist who has not At length happening and the plants any favors this set. I can only say Top goods, again I would buy it.