Table 1. Second Generation Throughfall Collector
Collector Part
1m Snow Tube
Material
Source
Price
N-12 Plain End Drainage Pipe 8" ADS Pipe www.ads-pipe.com $3.15/ft
or 20cm I.D.
$10.33/collector
Funnel
Wirthco Polyethylene Funnel
Product #90092
Wirthco Engineering
www.wirthco.com
Funnel Filter
2" PVC Round Rod sliced 4mm
thick with honeycomb of holes
Harrington Plastics
$8.20/ft
www.harringtonplastics.com
Coupling
1" PVC coupling both ends
threaded
Hardware or irrigation supply $1.00 ea
store
Reducer Bushing
1" x 1/2" both ends threaded
Hardware or irrigation supply $1.50 ea
store
Funnel to Coupling
Connection
Weld-On 600 Adhesive from IPS Irrigation supply store or
Corporation
contact IPS for distributor
www.ipscorp.com
Coupling to Bushing
Connection
Teflon Thread Tape
Mounting Posts
Two light duty 6' posts and one 3' Hardware or agricultural
or 4' post
supply store
Snowtube to Funnel
and to Post
Connection
Three 10" diameter Stainless
Steel Hose Clamp
Hardware or irrigation supply approx $7.00 ea
store
Funnel to Post
Connection (no
snowtube)
Two 2 3/4" diameter Stainless
Steel Hose Clamp
Hardware or irrigation supply approx $2.00 ea
store
Resin Tube
1/2" x 14" PVC Sch. 80 Riser
Hardware or irrigation supply 70¢ ea
store
Filter Fiber
Polyester Fish Tank Filter or
Pillow Stuffing
Pet store or Crafts store
Resin
Rohm and Haas Amberlite IRN
150 Mixed Bed ion-exchange
resin
Resin Tube Top Cap
1/2" Threaded PVC cap
Loprest Water Treatment Co $250.00 per ft³
2825 Franklin Canyon Rd
Rodeo, CA 94572 (888)2285982; or chemical
supplier
Hardware or irrigation supply 40¢ ea
store
$5.19 each
$6.50/pint
Hardware or irrigation supply n/a
store
approx $4.00 ea
n/a
Resin Tube Drain Cap 1/2" x 10/32" thread adapter for
drip irrigation; Rainbird Micro
spray adapter---Part no. SAJ
or similar product
Hardware or irrigation supply 60¢ ea
store; John Deere
Landscape; Riverside, CA
951-684-1080
Petcock drain valve
1/4" thread vari-flow valve
Hardware or irrigation supply ca. $1
store
Potassium Chloride
(KCl extractant)
KCl salt
Chemical supply company
ca. $8 - $40 per
kg, depending
on volume,
discounts, etc.
Potassium Iodide
(KI extractant)
KI salt
Chemical supply company
ca. $60 - $100 per
kg, depending
on volume,
discounts, etc.
14" Shade Tube
(to protect resin tube
from solar radiation)
1 1/4" PVC Pipe
Hardware or irrigation supply $1.00/ft
store
Note: Prices can vary greatly with supplier and bulk purchase discounts.
Mention of trade names or products is for information only and does not imply endorsement by the U.S.
Department of Agriculture. Parts and supplies listed can be obtained from other suppliers as needed.