Chemicals There is a additional charge for Chemical Shipping We will add shipping charges to your invoice Chemicals ship by UPS Ground. Unfortunately, small orders are very costly to process and ship. Please understand we do want your business, but we must cover the cost these orders! Shipping rates are: For orders under $50.00 shipping charges are 50% of your order total, with a minimum charge of $15.25. For orders over $50.00 shipping charges are UPS Ground. Hazardous Chemicals There is an additional $30.00 charge per item. All chemicals with item numbers ending with "H" require special handling and a $30.00 charge will be added to shipping costs. In addition, some normally non-hazardous chemicals my not be boxed together so additional charges may apply.
Returns Sorry, because of shipping regulation there are no returns on chemicals!
Chemical Safety All chemicals sold by Mountain Home Biological are for educational use only. All chemicals, regardless of the shipping category, should be treated as potentially dangerous, toxic, corrosive and irritating, and must be handled, used, stored and disposed of properly. Chemicals are sold to adults only, and must be used under qualified adult supervision. When you order chemicals from us it is understood that you are an adult and accept all responsibility for the storage, use and disposal of the chemicals.
Chemical Grades: ACS - Highest Grade
Reagent - High grade, 98.5 to 100% pure
Lab - For general use
Technical - Usually original form without purification
Metric Equivalents:
28ml = 1 fluid ounce 25mm = 1 inch Metric Conversion Calculator 
