[Acoustics] Re: Antifouling Paint for ADCP's

Wed Aug 11 10:18:22 CDT 2004

Dear List,

In general when antifouling any ADCP's for a long deployment we use plastic
bags. Thin plastic bags of the type used as liners for small household or office
bins work really well. Stretch them over the ADCP and then bind them in place
with ducting tape. You need to put some tiny pinprick holes in the top of the
bags so any trapped air can escape but the holes are too small to allow any
organisms to enter.

Cary Mclean from the Australian Institute of Marine Science showed me this
technique and we now use it exclusively. We deploy ADCP's in warm tropical
waters for several months at a time and have never had biofouling problems. The
frames holding the ADCP's are usually covered with barnacles etc but the ADCP
covered in a thin film of plastic comes out very clean.

This alleviates the need to use any toxic paints.

I have many photos that show how effective this is.

Hope this helps.

David Williams
Dept of Infrastructure, Planning and Environment
Conservation and Natural Resources
PO Box 30
Palmerston 0831
Northern Territory
Australia

phone : 61 8 8999 3694
fax : 61 8 8999 3666
e-mail : david.williams at nt.gov.au
http://www.ipe.nt.gov.au/whatwedo/water-resources/index.html

                      acoustics-request at simon.                                                                                                     
                      er.usgs.gov                     To:       acoustics at simon.er.usgs.gov                                                        
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                      acoustics-bounces at simon.        Subject:  Acoustics Digest, Vol 13, Issue 3                                                  
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                      11/08/2004 02:31 AM                                                                                                          
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Today's Topics:

   1. Re: antifouling paint for Argonaut SL (John M Shelton)

----- Message from "John M Shelton" <jmshelto at usgs.gov> on Mon, 9 Aug 2004
13:04:26 -0500 -----

      To: "Anthony J Gotvald" <agotvald at usgs.gov>              

      cc: acoustics-bounces at simon.er.usgs.gov,                 
          acoustics at simon.er.usgs.gov                          

 Subject: Re: [Acoustics] antifouling paint for Argonaut SL    

Tony,
We have been pleased with Pettit's Trinidad anti-fouling paint  (75.8%
cuprous oxide).
http://www.pettitpaint.com/products2.asp?Productid=1&Catid=1&SubCatid=1
For a standard SL, this paint seems to work quite well.  The Sontek manual
recommends Interlux Tri-Lux II.   The manual also states, "On plastic
systems, any type of anti-fouling paint can be used."  The way I understand
it is that the transducers and plastic housing of the SL will not be
damaged by various types of anti-fouling paint (Note: too much paint on the
tranducers will dampen the signal).  However, units with metal housings
and/or urethane encapsulated (as opposed to epoxy) transducers should be
coated with altenative paints (see the manual).

Hope this helps,
John
***********************************************
John M. Shelton
Hydrologist
U.S. Geological Survey
Florida Integrated Science Center
Center for Aquatic Resource Studies
224 West Central Parkway, Suite 1006
Altamonte Springs, FL 32714
P 407-865-6725 x151
F 407-865-6733
***********************************************

                      "Anthony J Gotvald"

                      <agotvald at usgs.gov>             To:
acoustics at simon.er.usgs.gov
                      Sent by:                        cc:

                      acoustics-bounces at simon.        Subject:  [Acoustics]
antifouling paint for Argonaut SL
                      er.usgs.gov

                      08/05/2004 06:49 AM

I am planning to deploying an Argonaut SL at a coastal site. Does anyone
have any suggestions on which brand/type of antifouling paint to use?

Thanks in advance,
Tony

---------------------------------------------------------------------------------------------------

Anthony J Gotvald, Hydrologist, Georgia District
U.S. Geological Survey
3039 Amwiler Road
Suite 130
Atlanta, GA   30360
(770) 903-9310
(770) 903-9199 fax

---------------------------------------------------------------------------------------------------

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