I agree. I like 6 grams, but its all about your personal preference and figuring out your tolerance. I also use citrulline malate in addition to arginine.
if i want to keep my pump going longer (like if i am going out to the bars) i'll pop a few about 30 minutes after and do some pushups but other than that, it wouldn't do anything special.
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"Let me tell you, the CELL-TECH powder itself glows like crushed diamonds, with little red bits shining through which could only be the crystallized, aforementioned blood of Jesus. You mix it with water and it turns red, like blood, like the salty tears of Mary Magdelene as she wept over Christs torn body." - Ecap