Blog
Guides from BioTech International, Inc.
Straight answers to the questions we hear most, written for our own customers.

September 3, 2026 · 3 min read
What Zero Waste Actually Means for a Coolant Sump
It isn't a product you buy. It's four maintenance tasks working together for long enough that dumping the sump stops being the only option.

September 3, 2026 · 4 min read
Tramp Oil, Fine Metal, and What a Filter Actually Does for You
A filter and a skimmer solve two different problems, and a lot of shops find that out after buying the wrong one first.

September 3, 2026 · 4 min read
The Sawtooth and the Sine Wave
One coolant maintenance program climbs and crashes on a schedule. The other runs flat. The shapes tell you almost everything.

September 3, 2026 · 4 min read
Activity vs Counts: What a Plate Count Actually Tells You
Two shops running the same coolant can get two different answers depending on which test they ran, and neither one is wrong.

September 3, 2026 · 4 min read
Why Your Coolant Smells by Monday Morning
The smell you notice on Monday started days earlier. The weekend just gave it room to finish.