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Ask Lab Guy:

  • For advice on SP lab equipment, supplies, etc.
  • How to make something work - products, processes, applications
  • Where to find resources on a scientific topic or process

August 31, 2018
Image: GHS Wash Bottles - Ask Lab Guy

Cleaning Wash Bottles

Dear Lab Guy, What's the cleaning process for the wash bottles CAT. NO. 800100799? -Abdul S.
August 29, 2018
Image: Flowmi Cell Strainers - pipette tips - Ask Lab Guy

Getting a Tight Fit with Flowmi Cell Strainers

Dear Lab Guy, I have FlowmI cell strainers cat# 136800040. They say they are designed for P1000 pipettes. I want to use the Rainin 300pipette. Will the fit be tight enough? Am R.
August 9, 2018
Image: Roxy M Repeating Pipettor 37310-0000_54

Dispense Liquids Accurately and Consistently

Dear Lab Guy, I am looking for a pipettor that can be adjusted to dispense liquids in .5ml increments. I purchased one of the Roxy M pipettors recently but I am not sure if this is really what I am looking for? - Ben F.
August 2, 2018
Image: 50000-0002 - Bel-Art Small Molded Polyethylene Benchtop Fume Hood with acrylic sash

Matching an Exhaust Fan to a Fume Hood

Dear Lab Guy, For your part# H50000-0002 just wondering if you had a fan/blower or extraction system to go along with the fume hood. Client does not have an ability to plug this unit into an existing system. - Glen G.
July 31, 2018
Image: I have been trying to homogenize heart tissue in the Bel-Art Mini Liquid Nitrogen Cooled Mini-Mortar set

Homogenizing Frozen Samples Efficiently

Dear Lab Guy, I have been trying to homogenize heart tissue in the Bel-Art Mini Liquid Nitrogen Cooled Mini-Mortar set (H37260-0100) The pestle did not reach the bottom of the tube and the tissue got stuck at the bottom, so I did not achieve the desired result. I used regular 1.5ml Eppendorf tubes. Could you please advise me on what can be done about it? Thanks. - Olga M.