Granular Sodium Bentonite Clay for Pond Sealing 25 lbs

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Granular Sodium Bentonite Clay is an excellent natural pond sealer. This can be used during new pond construction or to seal a leaking pond.
Granular Sodium Bentonite Clay for sealing pond soil - 25 lb bag Bentonite clay is a natural expanding clay sealant that when exposed to moisture can expand 15X or more creating a very effective pond sealant when applied correctly. Bentonite for Pond Sealing FAQ Sodium Bentonite Source Our bentonite clay is provided in granular form directly from the processing facility in Northeastern Wyoming. Bentonite Clay Application Rates for ponds To properly apply bentonite to seal a pond, the pond must be drained and the bentonite clay then incorporated into the soil of the pond bottom and sides. The application rate for bentonite ranges from 2 pounds to more than 5 pounds per square foot depending on the soil characteristics. For clayey and silty soils, 2 pounds per square foot MAY be sufficient. For sandy soils 4 pounds MAY be sufficient and for soil containing gravel and rock, in excess of 5 pounds will be required to obtain a seal. Once the bentonite is applied, the soil should be disk harrowed to mix the soil and bentonite and then compacted. Alternatively, a continuous blanket of bentonite can be applied to the soil and then carefully covered with clean soil or sand to prevent the clay from mobilizing into the water column. Placing the bentonite in a confined layer is far more effective as it forces the clay into adjacent soil pores creating a more effective seal. Pond or Lake Dam Repair For a leaking pond embankment, if the location of the leak has been identified, it may be possible to construct a core trench in the embankment to slow the leak. To install a core trench, excavate a minimum 12 inch wide trench to at least 3 feet below the pond bottom elevation. The trench should be located as far back from the pond edge as possible while still remaining on the flat top of the embankment. The goal is to create an impervious core in the embankment which will not allow water to pass through. This impervious core can be created in a number of ways. Bentonite can be mixed with the excavated soil at a rate of 30% bentonite and 70% native soil. The material should be placed back in the trench and compacted with a trench roller, plate tamper, or excavator bucket in 6 inch lifts. Sealing around Leaking Outlet pipes Excavate at least 24 around the leaking outlet pipe. Replace the excavated soil with 100% Wyoming Sodium Bentonite Clay. Replace the native soil around the bentonite clay seal and compact in place with a trench roller or jumping jack compactor. Ships via standard ground parcel service.

Buy Bentonite Clay online UK - Sealing Ponds & Lakes /Pottery – Mistral Industrial Chemicals

Bentonite chips and powder blend expands in contact with water to seal pond soils Granular Wyoming Sodium Bentonite for pond leak repair has a swell index greater than 30 to stop pond leaks. All-natural pond sealant for use in large ponds, lakes, waterfall edges, farm ponds, livestock tanks, pipe sealing, and other waterproofing applications that require a natural flexible seal.