Cannot get my chaeto to grow for the life of me!

[Galizio]

Also as TY already mention is probably a good thing to stop using the phos down, and see how it goes, in the mean time keep an eye to the po4 and see how the chaeto do


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[Dendromad]

mine does well with just a 7w phillips LED spot bulb, usually triples in about 2 weeks. I have it come on overnight when the tank lights go off and off when they come on.

[Northern Reefer]

Double in two months? I can double in 3 days. The idea of cheato is to have it grow as fast as possible. That's what uses all the nitrates in your system. If you want to see change in nitrates and increase in pH... get a good light.