i dose daily for all my high light tanks.
3 days a week i dose KNO3, KH2PO4, and KSO4
3 days a week its plantex CSM+B with flourish excel and flourish iron (for extra Fe)
the 7th day is a water change and a dose of gh booster (i use seachem equilibrium).
Eheim Pimp #296
Canon Pimp #67