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Pond Free Information

Compare EPDM & PVC Liners

45-Mil EPDM Pond Liner

  • Adapts readily to a variety of applications
  • Remains flexible in extreme temperatures
  • Contains no plasticizers that can crack and split
  • Readily accepts pipe and hose penetrations
  • Certified fish and wildlife safe
  • 25 year warranty

20-Mil Pond Liner

  • Protect PVC liner from direct UV exposure
  • Adapts readily to pond and pondless waterfalls
  • Attaches easily to waterfalls, weirs and skimmers
  • Certified fish and wildlife safe
  • Budget-friendly option
  • 5-year warranty

Calculating Water in Transit (Streamway Length)

Water in transit is the total volume of water that is moving in your system. This is used for figuring the size the basin needs to be. Use the equation below to calculate the amount of water in your feature.

 

L x W x 0.25 x 7.48= Water in transit (WIT)

L represents the length of the waterfall and streamway
W is the width of the waterfall and streamway
0.25 is the depth of the streamway in ft.
7.48 is the number of gallons that 1 cubic foot can hold

* This average does not account for pooling areas. Pooling areas do not flow through the system the same as WIT. The volume of pooling areas should be measured separately and factored into basin volume as a “one-time fill”.

Example (refer to illustration):

5' in Length (1' + 2' + 6" + 1' + 6") x 2' in Width x 0.25' Average Depth x 7.48 Gallons / ft.³ = 18.7 Gallons ( WIT)

Calculating Your Basin Size

Your basin should be sized in relation to the amount of water in transit. To keep the pump from running dry and to compensate for the water lost due to evaporation, the basin will need to hold 1.5 times the water you have in transit. Using the formulas provided will ensure that your Basin Total ft.³ either equals or exceeds Minimum Required Basin Total ft.³

WIT x 1.5 = Total Minimum Gallons of Water Required in Basin

Total Minimum Gallons of Water Required in Basin x 7.48 Gallons per ft.³ = Minimum Required Basin Total ft.³

Length of Basin x Width of Basin x Depth of Basin = Basin Total ft.³

* We recommend using 2.5 times the WIT in the formulas above and to use Pond Free Blocks to account for all variables.

Example (refer to illustration):

WIT = 18.7 Gallons

18.7 Gallons (WIT) x 1.5 times WIT = 28.05 Minimum Gallons of Water Required in Basin

3' Length of Basin x 3' Width of Basin x 1.5' Depth of Basin = 13.5 Basin Total ft.³

Without Pond Free Blocks: 13.5 Basin Total ft.³ x 7.48 Gallons per ft.³ x 0.3 average gravel void space = 30.3 Gallons of water in void space

With Pond Free Blocks: 13.5 Basin Total ft.³ x 7.48 Gallons per ft.³ x 0.96 Pond Free Blocks void space = 96.9 Gallons of water in void space

Consider MatrixBlocks!

Pond Free Blocks will be used to build the basin area and will be included in the majority in our kits. Each block will hold 31.5 gallons. When calculating basin size, take 2.5 times your water in transit and dividing it by 31.5 will tell you how many blocks to use in your basin. While other options are available to use when building the water containment, we recommend using the Pond Free Blocks.

Pond Free Blocks work well in a variety of features. They are excellent when used in a bog filter and, most commonly, when building a basin for a Pond Free system. With 96% void space, the blocks can hold more water in a smaller space while still being able to support pavers, gravel, and other landscaping. Quickly lock the Pond Free Blocks panels in place and they are ready for installation. Pond Free Blocks save space and money by decreasing the volume of rocks needed and ensuring plenty of water to keep the pump from overheating.

 

Pond Free Calculator

Pond Free Calculations

*Total Rise in Feet:
*Hose Length in Feet:
*Number of Elbows:

For waterfalls and streams, you will want to consider the amount of pump head pressure (generally referred to on pump flow charts as "Head") that your system will have, in order to help you determine the correct pump size.

Pump Head Pressure:

*Required

Pond Free Waterfall Kits

Be sure to refer to the tabs at the top of the page. They provide all the assistance you need to find the perfect kit for your project.

Ready to shop?  Use the side bar filters and "Compare" options below to help narrow down the right kits for you.

Show 15 products per page

  • Savio 10,000 10' x 40' EPDM Waterfall Kit with MatrixBlox Savio 10,000 10' x 40' EPDM Waterfall Kit with MatrixBlox

    SAVIO

    Savio 10,000 10' x 40' EPDM Waterfall Kit with MatrixBlox

    10' x 40' Liner and 400 sqft. Underlayment Aqua Pulse 12500 GPH Pump Savio Waterfall Well Savio 31" Waterfall Weir 40 Complete Blocks Half Off Ponds Savio Pond Free 10000 Waterfall Kit with MatrixBlox- 10 ft by 40 ft EPDM Liner, 10,000 GPH...

    $1,734.30 $1,927.00
    Add to Cart
  • Savio 10,000 10' x 45' EPDM Waterfall Kit with MatrixBlox Savio 10,000 10' x 45' EPDM Waterfall Kit with MatrixBlox

    SAVIO

    Savio 10,000 10' x 45' EPDM Waterfall Kit with MatrixBlox

    10' x 45' Liner and 450 sqft. Underlayment Aqua Pulse 12500 GPH Pump Savio Waterfall Well Savio 31" Waterfall Weir 40 Complete Blocks Half Off Ponds Savio Pond Free 10000 Waterfall Kit with MatrixBlox- 10 ft by 45 ft EPDM Liner, 10,000 GPH...

    $1,794.60 $1,994.00
    Add to Cart
  • Savio 10,000 10' x 50' EPDM Waterfall Kit with MatrixBlox Savio 10,000 10' x 50' EPDM Waterfall Kit with MatrixBlox

    SAVIO

    Savio 10,000 10' x 50' EPDM Waterfall Kit with MatrixBlox

    10' x 50' Liner and 500 sqft. Underlayment Aqua Pulse 12500 GPH Pump Savio Waterfall Well Savio 31" Waterfall Weir 40 Complete Blocks Half Off Ponds Savio Pond Free 10000 Waterfall Kit with MatrixBlox- 10 ft by 50 ft EPDM Liner, 10,000 GPH...

    $1,856.70 $2,063.00
    Add to Cart
  • Simply Waterfalls 10,000 15' x 50' PVC Waterfall Kit Simply Waterfalls 10,000 15' x 50' PVC Waterfall Kit

    Simply

    Simply Waterfalls 10,000 15' x 50' PVC Waterfall Kit

    15' x 50' Liner and 750 sqft. Underlayment Aqua Pulse 12500 GPH Pump Big Frog Tuff Tank 22 gallon w/ 18" EXT Pondbuilder 40" Cascade Falls Box 40 Complete Blocks Half Off Ponds Simply Waterfalls 10000 Pond Free Kit with MatrixBlox - 15 ft...

    $2,270.70 $2,523.00
    Add to Cart
  • Simply Waterfalls 4000 15' x 25' EPDM Waterfall Kit Simply Waterfalls 4000 15' x 25' EPDM Waterfall Kit

    Simply

    Simply Waterfalls 4000 15' x 25' EPDM Waterfall Kit

    15' x 25' Liner and 375 sqft. Underlayment Aqua Pulse 4000 GPH Pump Big Frog Tuff Tank 22 gallon Pondbuilder 20" Cascade Spillway 1.5" x 25' Kink-Free Tubing Half Off Ponds Simply Waterfalls 4000 Pond Free Kit - 15 ft by 25 ft EPDM...

    $820.80 $912.00
    Add to Cart
  • Simply Waterfalls 4000 15' x 20' EPDM Waterfall Kit Simply Waterfalls 4000 15' x 20' EPDM Waterfall Kit

    Simply

    Simply Waterfalls 4000 15' x 20' EPDM Waterfall Kit

    15' x 20' Liner and 300 sqft. Underlayment Aqua Pulse 4000 GPH Pump Big Frog Tuff Tank 22 gallon Pondbuilder 20" Cascade Spillway 1.5" x 25' Kink-Free Tubing Half Off Ponds Simply Waterfalls 4000 Pond Free Kit - 15 ft by 20 ft EPDM...

    $728.10 $809.00
    Add to Cart
  • Cascade 4100 10' x 20' PVC Waterfall Kit Cascade 4100 10' x 20' PVC Waterfall Kit

    Cascade

    Cascade 4100 10' x 20' PVC Waterfall Kit

    10' x 20' Liner and 200 sqft. Underlayment Manta 4100 GPH Pump Pondbuilder Mini Pump Canyon Pondbuilder 20" Cascade Spillway 1.5" x 25' Kink-Free Tubing Half Off Ponds Pond Free Cascade 4100 Waterfall Kit - 10 ft by 20 ft PVC Liner, 4,100...

    $528.30 $587.00
    Add to Cart
  • Simply Waterfalls 4000 10' x 20' EPDM Waterfall Kit Simply Waterfalls 4000 10' x 20' EPDM Waterfall Kit

    Simply

    Simply Waterfalls 4000 10' x 20' EPDM Waterfall Kit

    10' x 20' Liner and 200 sqft. Underlayment Aqua Pulse 4000 GPH Pump Big Frog Tuff Tank 22 gallon Pondbuilder 20" Cascade Spillway 1.5" x 25' Kink-Free Tubing Half Off Ponds Simply Waterfalls 4000 Pond Free Kit - 10 ft by 20 ft EPDM...

    $605.70 $673.00
    Add to Cart
  • Simply Waterfalls 4000 10' x 25' EPDM Waterfall Kit Simply Waterfalls 4000 10' x 25' EPDM Waterfall Kit

    Simply

    Simply Waterfalls 4000 10' x 25' EPDM Waterfall Kit

    10' x 25' Liner and 250 sqft. Underlayment Aqua Pulse 4000 GPH Pump Big Frog Tuff Tank 22 gallon Pondbuilder 20" Cascade Spillway 1.5" x 25' Kink-Free Tubing Half Off Ponds Simply Waterfalls 4000 Pond Free Kit - 10 ft by 25 ft EPDM...

    $667.80 $742.00
    Add to Cart
  • Complete 3300 10' x 20' PVC Waterfall Kit with MatrixBlox Complete 3300 10' x 20' PVC Waterfall Kit with MatrixBlox

    Complete

    Complete 3300 10' x 20' PVC Waterfall Kit with MatrixBlox

    10' x 20' Liner and 200 sqft. Underlayment Manta 3300 GPH Pump Pondbuilder Mini Pump Canyon Savio 16" Waterfall Weir 8 Complete Blocks Half Off Ponds Complete 3300 Pond Free Waterfall Kit - 10 ft by 20 ft PVC Liner, 3,300 GPH Manta Water...

    $552.60 $614.00
    Add to Cart
  • Simply Waterfalls 10,000 15' x 45' PVC Waterfall Kit Simply Waterfalls 10,000 15' x 45' PVC Waterfall Kit

    Simply

    Simply Waterfalls 10,000 15' x 45' PVC Waterfall Kit

    15' x 45' Liner and 675 sqft. Underlayment Aqua Pulse 12500 GPH Pump Big Frog Tuff Tank 22 gallon w/ 18" EXT Pondbuilder 40" Cascade Falls Box 40 Complete Blocks Half Off Ponds Simply Waterfalls 10000 Pond Free Kit with MatrixBlox - 15 ft...

    $2,223.90 $2,471.00
    Add to Cart
  • Savio 4000 15' x 25' EPDM Waterfall Kit Savio 4000 15' x 25' EPDM Waterfall Kit

    SAVIO

    Savio 4000 15' x 25' EPDM Waterfall Kit

    15' x 25' Liner and 375 sqft. Underlayment Aqua Pulse 4000 GPH Pump Savio Waterfall Well Savio 16" Waterfall Weir 1.5" x 25' Kink-Free Tubing Half Off Ponds Savio Pond Free 4000 Waterfall Kit - 15 ft by 25 ft EPDM Liner, 4,000 GPH Aqua...

    $701.10 $779.00
    Add to Cart
  • Complete 3300 7.5' x 25' EPDM Waterfall Kit Complete 3300 7.5' x 25' EPDM Waterfall Kit

    Complete

    Complete 3300 7.5' x 25' EPDM Waterfall Kit

    7.5' x 25' Liner and 250 sqft. Underlayment Manta 3300 GPH Pump Pondbuilder Mini Pump Canyon Savio 16" Waterfall Weir 1.5" x 25' Kink-Free Tubing Half Off Ponds Complete 3300 Pond Free Waterfall Kit - 7.5 ft by 25 ft EPDM Liner, 3,300 GPH...

    $549.90 $611.00
    Add to Cart