{for $foo=1 to 9} {capture assign=col}row{$foo}_color{/capture} {capture assign=colLetter}color{$foo}_letter{/capture} {capture assign=colName}color{$foo}_name{/capture} {/for}

Canister {$tanks_general->location}{$tanks_general->btn_no}
Row {$foo} Color	choose {foreach $colors as $color } $col eq $color->id}selected{/if}> {$color->color_letter} {/foreach}

{for $foo=1 to 9} {capture assign=col}row{$foo}_color{/capture} {capture assign=colLetter}color{$foo}_letter{/capture} {capture assign=colName}color{$foo}_name{/capture} {/for}

Canister {$tanks_general->location}{$tanks_general->btn_no}
Row {$foo} Color	choose {foreach $colors as $color } $col eq $color->id}selected{/if}> {$color->color_letter} {/foreach}