Opti-White Yeast Derivative Nutrient Fermentation Enhancer, Powder; 2.5Kg Barrel Accessories and Racks The polyseal screw caps are

The polyseal screw caps are black

Gallons: 30

Additional probes can be purchased separately to expand the meter testing capabilities for pH and dissolved oxygen (DO) testing

We have in-house tested this ebulliometer ourselves and have been impressed with the consistency and accuracy of the results and have been especially impressed with the machine's simplicity and ease of use

Opti-White Yeast Derivative Nutrient Fermentation Enhancer, Powder; 2.5Kg Barrel Accessories and Racks The polyseal screw caps areOpti White Yeast Derivative, Powder. Opti White is a blend of whole cell specific inactive yeasts. After mechanical inactivation, the contents of the whole yeast cell are gently dried. In white wines, these key polysaccharides help increase roundness, improve fresh, fruity aromas and work as anti oxidants to help reduce the risk of browning and pinking. Suggested use: Add to any whites to improve aromatics and color stability Add to light and acidic