<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
    <periodOfReport>2003-07-31</periodOfReport>
    <notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000947577</issuerCik>
        <issuerName>NUCO2 INC /FL</issuerName>
        <issuerTradingSymbol>NUCO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>

        <reportingOwnerId>
            <rptOwnerCik>0001106607</rptOwnerCik>
            <rptOwnerName>JP MORGAN PARTNERS BHCA LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1221 AVENUE OF THE AMERICAS</rptOwnerStreet1>
            <rptOwnerStreet2>40TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10020</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
        <isDirector>0</isDirector>
        <isOfficer>0</isOfficer>
        <isTenPercentOwner>1</isTenPercentOwner>
        <isOther>0</isOther>
    </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>

        <securityTitle>
            <value>Convertible Preferred Stock</value>
            <footnoteId id="F1"/>
        </securityTitle>

        <conversionOrExercisePrice>
            <value>9.28</value>
        </conversionOrExercisePrice>

        <transactionDate>
            <value>2003-07-31</value>
        </transactionDate>
    <transactionCoding>
        <transactionFormType>4</transactionFormType>
        <transactionCode>A</transactionCode>
        <equitySwapInvolved>0</equitySwapInvolved>
    </transactionCoding>
        <transactionAmounts>

            <transactionShares>
                <value>13622</value>
            </transactionShares>

            <transactionPricePerShare>
                <value>0</value>
            </transactionPricePerShare>

            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>

        <exerciseDate>
            <value>2003-07-31</value>
            <footnoteId id="F2"/>
        </exerciseDate>

        <expirationDate>
            <footnoteId id="F2"/>
        </expirationDate>
        <underlyingSecurity>

            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>

            <underlyingSecurityShares>
                <value>694709</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>

            <sharesOwnedFollowingTransaction>
                <value>694709</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>

            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
        </derivativeTransaction>

    </derivativeTable>
    <footnotes>
        <footnote id="F1">Dividends are payable in kind if not paid in cash.</footnote>
        <footnote id="F2">The Convertible Preferred Stock is immediately exercisable.  It has no expiration date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>J.P. Morgan Partners (BHCA), L.P.</signatureName>
        <signatureDate>2003-08-04</signatureDate>
    </ownerSignature>

</ownershipDocument>

