don't worry. There's plenty of ways you can do it, none is wrong as long as you keep these basic guidelines:
- flush the coco and charge it with at least a low amount of nutrients, before first use.
- Always water till runoff, at least 10% - this is most important, especially if you always feed, and even if you don't. The more you feed and the harder the water, the more runoff you need.
- Flush every now and then with much runoff. Once every 4-8 weeks should be enough if you maintain runoff correctly.
- Use dry cycles up to the point where the roots have filled the pot. Then you can start watering as much as you like (even multiple times a day for maximum hydroponic efficiency - that's what the guy above was talking about, going hydro. However, I do not find this necessary, unless you're recirculating, and even then - keeping wet at all times is asking for trouble, in my opinion. But I'm not that experienced, only one coco grow).
- get an EC/TDS meter.
Some pics:
