There is nothing better in this world than baby button quail. But hatching is so sensitive to Temps. Just slightly off and everything is delayed. I never give up on any egg until at least day 22. And I water candle every one before I throw them out. My very first hatch I ended up taking 3 eggs to the compost 2 days after all the rest hatched, and at the last moment decided to drop them in a bowl of warm water...just in case. Inhad never before hatched anything so i was a total newbie. After the first egg settled from being placed in the water, I saw a very slight movement. I then did the other two and it was the same. It was so slight I thought I must have been imagining it, but I had to check. I ended up with 3 completely shrink wrapped, barely alive chicks that I had to perform extractions on in a complete panic (with no experience!). When I finally got them out I thought they would never survive. But I vowed to give them a fighting chance. It took 2 sleepless nights but they fought hard and those three are still healthy and happy almost a year and a half later! And now everything gets water candlesld and opened if they don't hatch. And I do it by day 21 just in case. Luckily I have had to do it very often.