This should answer most of your questions regarding home culturing.
Home culture of microfood articles
As far as other nutrients for your corals and better frags, Personally, I have had excellent results with:
---Seachem Reef Plus 2 times per weeks
Reef Plusâ"žÂ¢ is a full spectrum reef supplement containing trace elements, vitamins, and amino acids demonstrated to have a positive impact on the growth of corals and other desirable reef creatures. Reef Plusâ"žÂ¢ is formulated to provide nutrients available from natural tropical reef waters. Contains vitamin B12, vitamin C, thiamine, inositol, choline, iodide, and other essential constituents at pH 8.3. Reef Plusâ"žÂ¢ is nitrate/phosphate free.
---American Marine Selcon
Selcon, an aquarium food booster that features highly unsaturated OMEGA 3 fatty acids, Marine Lipids (200 mg/g), Stabilized Vitamin C (200 mg) and Vitamin B12 Cyanocobalamin (240 mcg). Soak any freeze-dried, frozen food or dried food to give it additional nutritional value or use directly in the tank to benefit filter-feeding invertebrates. American Marine Selcon does not alter water chemistry and it does not contain Yeast, Phosphates or Nitrates. It also helps cure Head and Lateral Line Erosion / Disease. 60mL
Reef Chili (along with Selcon) 2-3 times per week
Contains: Zooplankton, Spray-dried Phytoplankton, Artemia nauplii replacement diet, Freeze dried Rotifers, Freeze dried Copepods, Dried Daphnia, and Spirulina Powder
Reef Chili.com
---Mysis and Brine
Always soaked with Reef Chili and Selcon for around 2 hours before I target feed all my Zoa's/Palys, Galaxea, Torch and Frogspawn, Cynarina, Acan lords, Duncans, and Mushrooms (Discosoma, Rhodactis, and Ricordea)
I have had excellent coloration and growth in all my corals as well as being very very inexpensive. I have used used Chromaplex as well as DT's in the past but I prefer my current feeding Regimen. I have been using Reef Chili for the last 4 months and have only used 1/8 of the bottle so far. It lasts forever and EVERYTHING in my tank reacts to it. The website is not an exaggeration.
Here's another article
Reef Food by Eric Borneman
Hope that helps, take care
Kiran