Hello to all first really enjoy reading here,this is my first post after about 2 weeks reaeding and then joining. Have 75 gal with 40 lbs sand and 30lbs of so called live sand came with bio pack of liquid also added abot 5lbs of live rock fully engulfed with red and green plant lfe and a real purple coraline crust. readings after 9days almost forgot the raw shrip added after day 5. all at zero ph at 8.0 and now have some brown spots on the sand that have increase the last 2 days nothing in skimmer cup. does my cycle sound like its on track?