Technical resources for coolant management.
Guides, technical articles, diagnostic resources, and calculation tools for managing coolant quality, controlling contamination, estimating recycling savings, and evaluating equipment fit.
- 5 guides
- management, tramp oil, ROI, recycling, compliance
- 2 tools
- the savings calculator and the fluid-fit check
- 2 diagnostics
- the coolant smell and the disposal bill
- 8 articles
- fluid, contamination, maintenance, and recycling topics
Technical guides
Each guide explains the operating issue, underlying mechanism, and relevant equipment considerations.
- Guide · lifecycle
CNC coolant management
Managing coolant across its life: setting and holding concentration, monitoring condition, and extending fluid life instead of replacing it.
Read the guide → - Guide · contamination
Tramp oil control & removal
Where tramp oil comes from, how it contributes to coolant degradation, and the three equipment approaches from portable separation to central recycling.
Read the guide → - Guide · payback
Coolant recycling ROI
How to estimate annual savings and payback, review the assumptions, and prepare the financial case for recycling equipment.
Read the guide → - Guide · central filtration
Central coolant filtration systems
How C.R.O.S.S. removes tramp oil and particulate, adds properly proportioned makeup coolant, maintains clean coolant for immediate use, and supports optional distribution through the CRS.
Read the guide → - Guide · compliance
Sustainability & compliance
Key OSHA, RCRA, Clean Water Act, and ISO considerations for managing spent coolant and documenting waste reduction.
Read the guide →
Focused answers for fluid-management decisions
Use the article library for specific comparison, troubleshooting, maintenance, and equipment-mechanism questions.
- Article library
All technical articles
Browse the complete EdjeTech article library for coolant management, tramp oil control, sump cleaning, fluid selection, and central recycling.
Browse technical articles → - Article · fluid selection
Semi-synthetic vs. synthetic coolants
Compare the two coolant families by composition, operating behavior, maintenance requirements, and application fit.
Read the comparison → - Article · tramp oil
Oil skimmers for CNC machine shops
Compare surface skimmers, coalescing separators, portable systems, and central tramp-oil removal.
Read the selection guide →
Estimate savings and review fluid compatibility
Estimate savings from your operating figures and review fluid compatibility before requesting an equipment recommendation.
- Tool · estimate
Savings calculator
Build a C.R.O.S.S. savings scenario for water-based coolant using fluid purchases, disposal costs, selected reductions, and estimated investment.
Estimate potential savings → - Tool · confirm
Will it work with my fluid?
Review common fluid conditions, use the bottle test as a practical separation check, and discuss the result with an engineer.
Review compatibility →
Diagnose common coolant operating problems
Review operating symptoms, likely causes, and the appropriate corrective actions.
- Diagnostic · odor
Why does my coolant smell?
Review the conditions that support bacterial growth and odor, including tramp oil, low concentration, solids, and stagnant fluid.
Review coolant-odor causes → - Diagnostic · cost
Reduce coolant disposal costs
Identify the operating practices that increase waste-fluid volume and estimate the potential reduction from recycling.
Review disposal-cost drivers →
Compare C.R.O.S.S. and T.O.S.S.
Compare recovery across the shop with dedicated or portable treatment at individual reservoirs. If the decision is still unclear, discuss where your shop is losing coolant or spending time on oil removal.
Get cleaner coolant and less recurring maintenance
Turn recurring coolant problems into less waste, cleaner fluid, and less time spent on sump maintenance.
- Savings estimate
Savings calculator
Estimate annual savings and payback from your operating costs.
Estimate potential savings → - Equipment guidance
Talk to an engineer
Resolve compatibility, capacity, or installation questions for your machines.
Talk to an engineer → - Equipment range
All products
Review coolant recycling, filtration, sump cleaning, and fluid-management equipment.
Browse products →