OxyPaksformulated by AquaFix

OxyPaks XL

Name: OxyPaks XL
Brand: OxyPaks

Granular oxygen source that sinks into the lagoon sludge layer, releasing oxygen to accelerate digestion and offset the anaerobic conditions behind odor.

What it is

OxyPaks XL is a granular oxygen source that sinks into the sludge layer and fizzes, releasing oxygen directly into an otherwise anaerobic biomass. It raises dissolved oxygen and ORP, opens compacted solids to bacterial attack, and offsets the septic conditions that produce hydrogen sulfide odor. Lagoon dosing is 100 lb per surface acre monthly.

Buy this when you are seeing

A dead zone or deep corner the aerators do not reach
Rotten-egg odor coming from one part of the cell
A biological sludge program underperforming in a specific area
Septic conditions in a manhole, lift station or holding tank

FormGranular, 50 lb container

Applied fromShore or boat, over the target zone

Dosed on100 lb per surface acre, monthly

TimelineDays for odor, weeks for digestion

How it works

Aeration equipment moves oxygen through a cell in a pattern set by where the units sit and how the basin is shaped. Every real lagoon has places that pattern does not serve: a deep corner, the far end of a long cell, the pocket behind an inlet structure. Those places go anoxic, and anoxic is where a blanket builds and hydrogen sulfide is produced.

This product works on that specific problem. It sinks into the sludge layer and reacts physically, fizzing oxygen into the biomass. Beyond raising dissolved oxygen and ORP, that physical action disrupts compacted solids and expands the surface area bacteria can actually reach, which is often the real constraint on digestion in a dense blanket.

The shift from anaerobic to aerobic is what suppresses hydrogen sulfide production, so odor relief tends to arrive well before any measurable change in blanket depth. That makes it useful as both a treatment and a fast diagnostic: if odor from a zone stops when you oxygenate it, you have confirmed the zone was the source.

Check these before you buy

These decide whether this product can work at all. If one fails, fix that first, because the money spent here will not survive it.

Identify the target zone before orderingThis is a spot treatment, not a whole-cell one. A dissolved oxygen profile by depth and location, plus a blanket map on a grid, tells you where the problem is rather than where it is convenient to treat.
Confirm the zone is anoxic rather than overloadedA local dead spot is treatable locally. A cell anoxic throughout because it receives three times its design organic load is a different problem, and no oxygen product resolves it.
Rule out an aeration layout problem you can just fixIf a dead zone exists because a unit is down, mispositioned or undersized, correcting that is cheaper and permanent. Spot oxygen is for zones a reasonable layout genuinely cannot reach.

Is this the right fit

Good fit for

Dead zones and deep corners outside the aeration pattern
Localised odor traced to one part of the cell
Boosting a bacterial sludge program in its weakest zone
Manholes, lift stations and holding tanks going septic

Not the answer for

Whole-cell oxygen supply, which is what aeration equipment is for
A cell anoxic throughout from organic overload
A dead zone caused by a down or mispositioned aerator
Grit and mineral solids, which no biological route reduces

Dosing and application

Lagoon clean-up dose: 100 lb per surface acre, once per month.
Sand filter cleaning: 2 to 4 lb per 10,000 gallons of backwash.
Placement: Over the mapped problem area. A dissolved oxygen profile and a sludge survey grid are what locate it; guessing wastes the application.
Alongside biology: Most effective run with a bacterial program rather than instead of one. Oxygen removes the limiting factor; the bacteria do the digestion.
Pack options: 50 lb container of 1 lb water-soluble packs, or 50 lb bulk. Packs suit measured spot dosing; bulk suits broadcast over a larger zone.

What to expect, and when

Before applicationDissolved oxygen profiled by depth and location, and the blanket mapped on a grid. Both are needed to place the treatment.
First daysOdor from the treated zone is typically the first thing to change, because hydrogen sulfide production stops once the zone is no longer anaerobic.
Following weeksDigestion in the treated zone accelerates, showing up in the next survey of those specific grid points rather than in the cell average.
Next surveyCompare the treated grid points specifically. A whole-cell average will dilute a real local improvement into invisibility.

How you prove it worked

Compare the treated grid points specifically, not the cell average. A localised treatment produces a localised result, and averaging it across a basin is the surest way to conclude that something which worked did nothing. Pair the depth readings with a repeat dissolved oxygen profile in the same zone.

Every lagoon has somewhere the aerators do not really reach. A deep corner, the far end of a long cell, the pocket behind an inlet structure. On a dissolved oxygen profile those places read differently from the rest of the basin, and they are where a blanket builds first and where the rotten-egg smell at the fence line usually originates.

The useful way to think about a granular oxygen source is as a spot treatment for exactly that. It is not competing with aeration equipment, which supplies a whole cell continuously and is the right answer to a whole-cell shortfall. It addresses the residual zones a reasonable aeration layout leaves behind.

That framing also sets the honest limits. If the whole cell is anoxic, the problem is organic loading or aeration capacity, and spot oxygen will not resolve it. If a dead zone exists because a unit is down or badly positioned, fixing that is cheaper and lasts. Where a genuinely unreachable zone is driving odor and accumulation, this is the tool built for it, and it works best alongside a bacterial program rather than in place of one.

Specifications

Manufacturer	AquaFix
Type	Granular oxygen source and sludge digestion accelerator
Target	Anoxic zones and localised sludge accumulation
Application	Over a mapped target zone, shore or boat
Lagoon dose	100 lb per surface acre, once per month
Sand filter dose	2 to 4 lb per 10,000 gal of backwash
Pack size	50 lb container
Effect	Raises dissolved oxygen and ORP

Works alongside

Sludge Rx

The tablets deliver bacteria to the blanket while this removes the oxygen limit holding them back.

See the product →

VitaStim Sludge Reducer

Whole-cell biological reduction, with oxygen restored in the zone the water column was not serving.

See the product →

Common questions

Is this a substitute for aeration?

No, and treating it as one is expensive. Aeration equipment supplies a whole cell continuously. This puts oxygen into one zone for a period. Use it for places a reasonable aeration layout cannot reach, not to avoid installing aeration a cell needs.

How do I know where to apply it?

Profile dissolved oxygen by depth and by location, including pre-dawn rather than only midday, and map the sludge blanket on a grid. Those two together locate the anoxic zone. Applying it where access is easiest rather than where the problem is wastes the treatment.

How much do I need?

The lagoon clean-up rate is 100 lb per surface acre once per month, so a 50 lb container covers half an acre for a month. For a targeted zone rather than a whole cell, scale to the area you are actually treating.

Will it fix my odor problem?

It removes the condition producing hydrogen sulfide in the zone you treat, so odor from that zone should stop. Whether that fixes the site depends on whether that zone was the source. AquaFix documents a village that added it to a manhole a quarter mile into town and cleared corrosive sulfide odors at the plant.

Do I need a bacterial product as well?

Usually yes, and that is the point of pairing them. Oxygen removes the factor limiting the bacteria; the bacteria do the digestion. In an anoxic zone, oxygen alone accelerates whatever population is already there, which is often less than you want.

Read before you buy

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