Ultra Blue 1/3/5% Solution USP Pharma Grade Third-Party Lab Tested UK Made (5%)

USP-GRADE QUALITY – Prepared using high-purity materials selected to meet stringent quality standards, supporting consistency across laboratory, research and technical applications. CONSISTENT 1% CONCENTRATION – Precisely formulated to provide a dependable and repeatable concentration for applications where consistency matters. INDEPENDENTLY THIRD-PARTY TESTED – Every batch is independently tested to verify concentration and screened for contaminants as part of our quality-assurance process. UK LABORATORY PREPARED – Produced in the United Kingdom using controlled laboratory processes and carefully selected materials for dependable batch-to-batch consistency. PREMIUM FROSTED GLASS BOTTLE – Supplied in a durable 50ml frosted glass bottle with glass pipette for clean, accurate and controlled dispensing.