Do not transclude this template. Instead, use the subpages as follows:

{{Reagentbox/Top}}
{{Reagentbox/Newrow}}
{{Reagentbox/Mat|<item>|<qauntity>}}
{{Reagentbox/Raw}}
{{Reagentbox/Raw1|<item>|<qauntity>}}
{{Reagentbox/Raw2|<item>|<qauntity>}}
{{Reagentbox/Raw3|<item>|<qauntity>}}
{{Reagentbox/Raw4|<item>|<qauntity>}}
{{Reagentbox/Raw5|<item>|<qauntity>}}
{{Reagentbox/Rawend}}
{{Reagentbox/Bottom}}