BIA® Lab Supplies Click for Lab Kit Complete — Lab Parts —– Ammonia Nitrogen Reagent Conductivity Meter Crucibles, Ceramic (2) Droppers (4) Glass Dropper Bottle w/dropper Nitrate Nitrogen Reagent Nitrogens Color Chart pH 4.0 Calibrating Reagent pH 7.0 Calibrating Reagent pH Flat Surface Probe pH Meter, Digital – no probe Refractometer, Sugar – Brix Specimens By Mail Containers Specimen Cups – 1 oz no lids Specimen Cups – 4 oz with lids Test Tube for Conductivity Probe Universal Extracting Solution . Click for Lab Kit Complete Click for Lab Procedures Movie