shrimp molt? Mine just molted within the past day or two, and I've had him about 2 or 3 weeks now. Is molting this soon after I buy him a good sign? I also just got my calcium and alk tests today, 420 calcium, 8.6 alk, and about 8.4 ph. Ammonia zip, nitrites zip, nitrates about 10 or so. Oh, and...