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Long-form guides for people specifying a plant

Most water treatment media pages answer one question. These articles take a whole product family and work through it: what the alternatives actually are, which one fits which duty, and the numbers that decide it.

Sizing

How Much Media Does My Basin Need? A Sizing Sheet for Five Media Types

Worked quantities for settling modules, MBBR carriers, tower packing, filter nozzles and fibrous media - with the formulas, the examples and the unit traps that cause most ordering errors.

Procurement

Writing a Media Enquiry That Gets Comparable Quotes

The eight numbers every media enquiry should carry, six ambiguities that move the price, and how to compare two offers line by line before the order is placed.

Buyer's guide

Wastewater Treatment Media: The Complete Buyer's Guide

Biofilm carriers, settling media, filter media and aeration — how the media categories map onto the stages of an STP or ETP, and how to size each one.

Covers STP media, ETP media, biofilm carriers, MBBR, MBR, trickling filter media and more
Deep dive

Settling Media Explained: Tube Settlers, Lamella Plates and Clarifier Packing

Every name the trade uses for the same two geometries, how the surface loading rate drives the choice, and where each one goes wrong.

Covers tube settler media, honeycomb tube settler, lamella clarifier media, inclined plate media and more
Deep dive

Aeration Diffusers: Disc, Tube, Plate, Single-Orifice and Vortex Compared

Fine bubble and coarse bubble aeration across all the diffuser formats we make, and the four numbers that decide between them.

Covers disc diffuser, tube diffuser, plate diffuser, BAF diffuser, jet aerator and more
Deep dive

Biofilm Carriers Compared: MBBR, Suspended Balls, Sponge and Hanging Media

Attached-growth media in every shape we supply, from K1 carriers to carbon fibre water grass, and the fill fraction that ties them together.

Covers MBBR media, K1 media, bio ball, PU foam carrier, elastic packing, bio rope and more
Deep dive

Filter Media: Fibre Ball, Comet Fibre and Fibre Bundle

Why fibrous beds replaced sand in tertiary filtration, what a graded bed does, and the interface detail that decides whether a filter bed survives.

Covers fibre ball, comet fibre, fibre bundle, graded filter media and oil removal media
Deep dive

Filter Nozzles and Plates: The Complete Selection Guide

The bottom of a filter is four parts that only work if all four agree — and it is the part that cannot be changed after the concrete is poured.

Covers filter nozzle, strainer nozzle, water cap, nozzle plate, cast-in-place plate, underdrain brick, bread pipe
Deep dive

Tower Packing: Pall Ring, Hacketten, Teller Rosette and Degassing

In a packed tower the packing is the process. Change the geometry and you trade surface area against pressure drop and fouling.

Covers Pall ring, Hacketten / Tri-Pack, Teller rosette, hollow ball, degassing and stripping tower packing
Deep dive

ABS Pipe for Water Treatment: Why It Is Specified and Where It Fails

Acrylonitrile butadiene styrene is not chosen for price. It is chosen because it survives being hit and threads cleanly.

Covers ABS pipe, acrylonitrile butadiene styrene pipe, FLAME RETARDANT ABS, ABS fittings
Deep dive

Flocculation Equipment: Grids, Baffle Boxes and Floc Balls

The one stage where doing it harder makes it worse — and the collection trough everyone forgets.

Covers flocculation grid, folded plate flocculator, ABS flocculation ball, collection trough, V-notch weir

Want the media spec rather than the theory?

Send the flow, the influent analysis and the target effluent — we will come back with a media selection and the quantity for your plant.

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