Looks good! would need to see the crystals under a small microscope. then you can see if they are turning amber and starting to grow a big ball on the end that hangs :P That's how I know when its ready haha. Up-voted and followed, check out our recent post on aquaponics! I haven't, but I would like to try growing aquaponically as it provides an abundance of nutrients in the most natural way! https://steemit.com/life/@steemtobefree/one-hell-of-a-way-to-grow-the-best-food-our-trip-to-the-aquaponic-ouroboros-farms-in-half-moon-bay-california