Terriss Recommendations Featured Categories Certified Control Drink Flasks89 Products Gauges26 Products Thermometer & Hydrometers40 Products Certified Controlled Drink Flask Certified Control Drink Flask | 2oz with DropperT-09-103 Used to check brix, color, acidity, and other comparative values. Serially numbered with "certified" lab certificates enclosed. Other sizes available. View Product Page Add to cart We are experts in sourcing lab equipment and reagents for our food and beverage clients all over the world. No request is too big or too small. Rely on us for your sourcing needs. Request a Quote Subscribe To Our Newsletter the TerrissGram Our Valued Customers