diff --git a/app/Livewire/Forms/Studio/Master/FormulaForm.php b/app/Livewire/Forms/Studio/Master/FormulaForm.php
index de1f45b..1fa2344 100644
--- a/app/Livewire/Forms/Studio/Master/FormulaForm.php
+++ b/app/Livewire/Forms/Studio/Master/FormulaForm.php
@@ -21,7 +21,7 @@ public function rules(): array
         return [
             'quality' => ['required', 'string', 'max:20'],
             'size' => ['required', new UnsignedInteger],
-            'volume' => ['required', new UnsignedInteger],
+            'volume' => ['required', 'lte:size', new UnsignedInteger],
         ];
     }
 
diff --git a/app/Livewire/Studio/Master/Formula.php b/app/Livewire/Studio/Master/Formula.php
index bc5dd15..4acc8e2 100644
--- a/app/Livewire/Studio/Master/Formula.php
+++ b/app/Livewire/Studio/Master/Formula.php
@@ -34,15 +34,19 @@ class Formula extends Component
 
     public function mount()
     {
-        $this->formulas = FormulaModel::orderBy('size')->get()
+        $this->formulas = FormulaModel::orderBy('size')
+            ->get()
             ->groupBy('size')
             ->map(function ($items) {
-                return $items->map(fn ($item) => [
-                    'hash' => $item->hash,
-                    'quality' => $item->quality,
-                    'volume' => $item->volume,
-                ]);
-            })->toArray();
+                return $items
+                    ->map(fn ($item) => [
+                        'hash' => $item->hash,
+                        'quality' => $item->quality,
+                        'volume' => $item->volume,
+                    ])
+                    ->sortBy('volume');
+            })
+            ->toArray();
 
         $this->sizes = Bottle::distinct()->orderBy('size')->pluck('size')->toArray();
     }
@@ -63,6 +67,12 @@ public function openModal(string $method, string $modalTitle, ?string $id = null
 
     public function create()
     {
+        if (FormulaModel::where('quality', $this->form->quality)->where('size', $this->form->size)->exists()) {
+            $this->toast('Rumus dengan kualitas dan ukuran tersebut sudah ada.', 'Info', 'warning');
+
+            return;
+        }
+
         $this->canOrAbort('create formula');
 
         $formula = $this->form->store();
@@ -83,6 +93,17 @@ public function create()
 
     public function update()
     {
+        $exists = FormulaModel::where('quality', $this->form->quality)
+            ->where('size', $this->form->size)
+            ->where('id', '!=', $this->form->formula->id)
+            ->exists();
+
+        if ($exists) {
+            $this->toast('Rumus dengan kualitas dan ukuran tersebut sudah ada.', 'Info', 'warning');
+
+            return;
+        }
+
         $this->canOrAbort('update formula');
 
         $formula = $this->form->update();
diff --git a/database/seeders/RolePermissionSeeder.php b/database/seeders/RolePermissionSeeder.php
index 0cd8605..b19db31 100644
--- a/database/seeders/RolePermissionSeeder.php
+++ b/database/seeders/RolePermissionSeeder.php
@@ -287,7 +287,6 @@ public function run(): void
             'delete user',
             'reset password user',
 
-            'view formula',
             'create formula',
             'update formula',
             'delete formula',
diff --git a/resources/views/livewire/studio/master/formulas.blade.php b/resources/views/livewire/studio/master/formulas.blade.php
index 412cafd..b18f163 100644
--- a/resources/views/livewire/studio/master/formulas.blade.php
+++ b/resources/views/livewire/studio/master/formulas.blade.php
@@ -16,7 +16,7 @@
 
     <div class="mt-6">
         @if (!empty($formulas))
-            <div class="mt-6 grid grid-cols-1 sm:grid-cols-2 md:grid-cols-3 lg:grid-cols-4 gap-4">
+            <div class="mt-6 grid grid-cols-1 sm:grid-cols-2 md:grid-cols-3 lg:grid-cols-4 gap-4 items-start">
                 @foreach ($formulas as $key => $formula)
                     <flux:card class="space-y-2">
                         <div class="mb-4 pb-3 border-b border-gray-200">