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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 DhlJ1aRYQNnw6PlgcxJNooMfB8F//ViDo7/ATGISb4NqvxA6CUjxXcHaxXG1Mzti
 feywVm/bYt1+TaKv/As41A==

<SEC-DOCUMENT>0000902664-04-000565.txt : 20040218
<SEC-HEADER>0000902664-04-000565.hdr.sgml : 20040218
<ACCEPTANCE-DATETIME>20040218180406
ACCESSION NUMBER:		0000902664-04-000565
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040217
FILED AS OF DATE:		20040218

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ADAGE CAPITAL PARTNERS GP LLC
		CENTRAL INDEX KEY:			0001165408
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-09600
		FILM NUMBER:		04614185

	BUSINESS ADDRESS:	
		STREET 1:		200 CLARENDON STREET
		STREET 2:		52ND FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		6178672800

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CPAC INC
		CENTRAL INDEX KEY:			0000351717
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				160961040
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		2364 LEICESTER RD
		CITY:			LEICESTER
		STATE:			NY
		ZIP:			14481
		BUSINESS PHONE:		5853823223

	MAIL ADDRESS:	
		STREET 1:		P. O. BOX 175
		CITY:			LEICESTER
		STATE:			NY
		ZIP:			14481-0175
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>srz04-0256_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2004-02-17</periodOfReport>

    <dateOfOriginalSubmission>2004-02-11</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000351717</issuerCik>
        <issuerName>CPAC INC</issuerName>
        <issuerTradingSymbol>CPAK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001165408</rptOwnerCik>
            <rptOwnerName>ADAGE CAPITAL PARTNERS GP LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 CLARENDON STREET</rptOwnerStreet1>
            <rptOwnerStreet2>52ND FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02116</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-02-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>9200</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.16</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5341000</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>On behalf of the Fund</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The amounts previously reported on the Form 4 to which this amendment relates were incorrectly reported.  The amount of Securities Beneficially Owned following the reported transaction was 534,100.  The price per share was $6.16.</footnote>
        <footnote id="F2">The Reporting Person disclaims beneficial ownership of any of the Issuer's securities owned by the Fund to which this form relates for purposes of Section 16 of the Securities Exchange Act of 1934, as amended.</footnote>
    </footnotes>

    <remarks>Adage Capital Partners GP, L.L.C. (the &quot;Reporting Person&quot;) serves as the general partner of Adage Capital Partners, L.P. (the &quot;Fund&quot;), and as such has investment discretion over the portfolio securities beneficially owned by the Fund.</remarks>

    <ownerSignature>
        <signatureName>ADAGE CAPITAL PARTNERS, L.P., /s/ Robert Atchinson, as managing member of Adage Capital Advisors, L.L.C., the Managing member of Adage Capital Partners GP, L.L.C., the general partner of Adage Capital Partners, L.P.</signatureName>
        <signatureDate>2004-02-18</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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