-JB":tmvris8p said:
reefNewbie":tmvris8p said:
ok, so when i take some of the phyto from one of my bottles and add it to a new bottle with the rest NSW, i do not have to add anymore f2 because there will already be enough in it? I dont ever see when I would have to add anymore then.....I will just constantly be dividing a current ready bottle into other bottles and topping them off with NSW. they
OK we're confused here on what to do. Do not use NSW for culturing phytoplankton. The NSW has many other organisms that will contaminate the plankton culture. They will consume the phytoplankton and become the dominant species in the culture, eventually giving you something other than the phytoplankton you were trying to culture.
Oh boy, I am equally confused as you are with your statement as you with ReefNewbie's. I would normally assume that NSW = New Salt Water = freshly made saltwater made from sea salt mix. How could there be organisms to consume phyto? I probably misunderstood you, but I think you are refering to aged tank water, no?
Anyway, the salt water to be used in phyto culture should be "sterilized". Either made fresh from synthetic salt mix, or sterilized aged old tank water. There are several ways to sterilize old tank water. One is cooking, there is also microwave, overpowering UV exposure....etc. Most commonly used are microwave method, but I am the lazy type and use UV instead.
I typically presterilize old tank water first, place them into a known volume container, and mix phyto growth formula in it. When you premix growth formula, you make sure the new water you replace into the culture vessel is at proper nutrient level. You will also find it much easier to measure and dose f2 for a one gallon container then a 2 liter bottle.