{% if successfulClientCalculation is not defined %}
    {% set successfulClientCalculation = false %}
{% endif %}

{% if successfulClientCalculation == false %}

    {{ form_start(chemistryForm, {
        'attr' : {
            'class':'chemistryCalculator',
            'novalidate': 'novalidate'
        }
    }) }}

    {% if chemistryForm.subPoolModel is defined %}
        {{ form_row(chemistryForm.subPoolModel) }}
    {% endif %}
    {% if chemistryForm.secondaryVessel is defined %}
        {{ form_row(chemistryForm.secondaryVessel) }}
    {% endif %}

    {{ form_widget(chemistryForm.chemistryCalculatorForm) }}

    <button type="submit" class="btn btn-success">Calculate</button>
    {{ form_end(chemistryForm) }}

{% else %}
    <button type="reset" class="btn btn-warning resetCalculator">Reset Calculator</button>
{% endif %}