APS Floc Logs
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APS Floc Log - Clean Water Just Got Easier

APS Floc Log® - Clean Water Just Got Easier

The APS Floc Log is a semi-hydrated gel polyacrylamide block that when placed within stormwater or construction site drainages will remove fine particles and reduce NTU values.

Each Floc Log is formulated for the soil and water chemistry of the geographical area where placement and usage are intended. Soil and water samples are required for geographical areas not previously tested.

Placement of the Floc Log should be as close to the source of particle suspension or NTU origination as possible. Finer particles and colloidal suspensions will require greater mixing times, usually never greater than 75 seconds. This mixing time equates to the time required for water to flow through a ditch system or a pipe. Typical reaction times in most geographical areas are 10-30 seconds. Ideal performance of the Floc Log results when used in conjunction with Best Management Practices in place. Rock checks, drop inlets, storm drains, retrofits and slope drains all greatly enhance the effectiveness of the Floc Log.

The Floc Log is designed for a base flow rate of 60-75 GPM. A typical placement is as shown in the following diagram:

Floc Log placement

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Hydrograss Technologies - a division of the R.B. Arello Company Inc.
Northeast Office
157 Southbridge Rd. North Oxford, MA 01537
Tel: 800.853.5393 Fax: 508.987.8785
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