growing or in my case not growing macro algae

[saltyfilmfolks]

granular ferric oxide a phosphate binder.
no detectable po would explain little chato growth.
Have you gotten a second opinion on your numbers to rule out test error?
seems odd to have No that high and 0 po
is is fowler?

 

[aquablizz]

I only use API kit's... I'll go to the local fish store to verify numbers next chance I get.. 30min drive..
Really appreciate everyone's help... Glad I didn't get involved with any corals... LOL

 

[Brew12]

I have been leaving the light on 24-7... can that be a culprit??

Many plants need some down time so I would try going to a 12hr to 14hr lighted window. I'm not sure if Chaeto falls into this group but I think it would be worth trying.
http://www.globalsciencebooks.info/Online/GSBOnline/images/2010/PS_4(1)/PS_4(1)5-17o.pdf

 

[saltyfilmfolks]

I only use API kit's... I'll go to the local fish store to verify numbers next chance I get.. 30min drive..
Really appreciate everyone's help... Glad I didn't get involved with any corals... LOL

yea Im api too. My po will seem get "stuck" but i test a couple times. The chemist in the house is kinda a slob and doesnt trust kits.