Chipie, yes that is what it recommends on the website. Many people follow that dosing and it works out great for them.
Randy, 4mL of VSV is higher than what some people need as a final dose. Adding more than what is needed is not something I recommend. I've always been worried about the initial dosages. Many people were condemning adding organics to their reef tanks because the amounts were just too much upfront (well that is my hypothesis). Using smaller amounts upfront has seemed to curve this problem.
I would love to understand the exact mechanism that is resulting in this rapid decline when larger doses are first introduced. Is it solely O2 consumption? Or is it the result of dynamic alterations of the dissolved organic carbon (DOC) concentrations resulting in a peak O2 depletion? Is it possible that some tanks have built up DOCs that should be easily utilized but are not (unused labile DOCs)? Normally labile DOCs have a high turnover rate in the ocean. However, the ocean is a much larger ecosystem than our reefs. What if adding something simple like sugar, ethanol, glycerol, or acetic acid is enough to cause these unused labile DOCs to be utilized and result in the massive bacterial blooms and fish issues when dosing initially?
rishma, I was really happy with glucose. However, HighlandReefer had just tried it out on his tank and noticed that higher doses seemed to cause brown matting growth.