Field Notes
pH Adjustment Systems for Wastewater: Continuous-Flow vs. Batch Treatment
A continuous-flow pH adjustment system corrects alkaline wastewater automatically, in real time, without batch tanks or manual dosing — the right choice whenever discharge volume...
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Felt vs. Mesh Filter Bags: Depth vs. Surface Filtration Compared
Felt filter bags trap particles by depth at a nominal micron rating; mesh bags cut a precise absolute size at the surface. Compare micron range,...
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Ion Exchange Resin for Industrial Water Treatment: Cation, Anion & Mixed Bed Compared
Ion exchange resin removes dissolved ions from water by swapping them for a different, harmless ion as the water passes through a packed bed. Cation...
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Air Sampling Pump Rental in Canada: What to Rent, When to Buy
ERE rents Gilian, Buck, and Zefon air sampling pumps across Canada — personal and area samplers, pre-calibrated and ready to ship. Here's how to pick...
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Environmental Instrument Rental in Canada: What to Rent and When to Buy
ERE rents IAQ monitors, particle counters, multiparameter water quality meters, water level meters, and landfill gas analyzers across Canada — calibrated and ready to ship....
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Manganese Greensand, Birm & KDF Filtration Media: How They Compare
Manganese greensand, Birm, and KDF-85 all remove dissolved iron, manganese, and hydrogen sulfide from water — but they use different chemistry, need different regeneration, and...
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Bioremediation Products for Contaminated Soil & Groundwater: Canada Buyer's Guide
Compare ERE's five bioremediation products — bacteria, fast/slow oxygen-release compounds, nutrients, and passive diffusion cells — for treating petroleum-contaminated soil and groundwater in Canada.
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Instrument Calibration Services: What Canadian Facilities Need to Know
NIST-traceable calibration and repair for gas detectors, water quality meters, flow meters, and more — what Canadian facilities need to know before their next service.
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Industrial Air Scrubbers: Types, How They Work, and How to Choose the Right One
Industrial air scrubbers explained: dry-media UltraSorber systems for VOC, odor, ammonia, and chlorine control — types, contaminants treated, and how to size one for your...
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