diff --git a/changelog/60_UNRELEASED_2020-xx-xx.md b/changelog/60_UNRELEASED_2020-xx-xx.md
index 961a064d..ec7e28c5 100644
--- a/changelog/60_UNRELEASED_2020-xx-xx.md
+++ b/changelog/60_UNRELEASED_2020-xx-xx.md
@@ -31,6 +31,7 @@ _- (Because the stock quantity unit is now the base for everything, it cannot be
 ### Stock improvements/fixes
 - When creating a quantity unit conversion it's now possible to automatically create the inverse conversion (thanks @kriddles)
 - On purchase there is now a warning shown, when the best before date of the purchased product is earlier than the next best before date in stock (enabled by default, can be disabled by a new stock setting (top right corner settings menu))
+- The amount to be used for the "quick consume/open buttons" on the stock overview page can now be configured per product (new product option "Quick consume amount", defaults to 1)
 - Optimized/clarified what the total/unit price is on the purchase page (thanks @kriddles)
 - On the purchase page the amount field is now displayed above/before the best before date for better `TAB` handling (thanks @kriddles)
 - Changed that when `FEATURE_FLAG_STOCK_BEST_BEFORE_DATE_TRACKING` is disabled, products now get internally a best before of "never expires" (aka `2999-12-31`) instead of today (thanks @kriddles)
diff --git a/controllers/StockController.php b/controllers/StockController.php
index 94ff438b..89ed2a76 100644
--- a/controllers/StockController.php
+++ b/controllers/StockController.php
@@ -142,7 +142,7 @@ class StockController extends BaseController
 				'shoppinglocations' => $this->getDatabase()->shopping_locations()->orderBy('name'),
 				'productgroups' => $this->getDatabase()->product_groups()->orderBy('name'),
 				'userfields' => $this->getUserfieldsService()->GetFields('products'),
-				'products' => $this->getDatabase()->products()->where('IFNULL(parent_product_id, \'\') = \'\' and active = 1')->orderBy('name'),
+				'products' => $this->getDatabase()->products()->where('parent_product_id IS NULL and active = 1')->orderBy('name'),
 				'isSubProductOfOthers' => false,
 				'mode' => 'create'
 			]);
@@ -159,7 +159,7 @@ class StockController extends BaseController
 				'shoppinglocations' => $this->getDatabase()->shopping_locations()->orderBy('name'),
 				'productgroups' => $this->getDatabase()->product_groups()->orderBy('name'),
 				'userfields' => $this->getUserfieldsService()->GetFields('products'),
-				'products' => $this->getDatabase()->products()->where('id != :1 AND IFNULL(parent_product_id, \'\') = \'\' and active = 1', $product->id)->orderBy('name'),
+				'products' => $this->getDatabase()->products()->where('id != :1 AND parent_product_id IS NULL and active = 1', $product->id)->orderBy('name'),
 				'isSubProductOfOthers' => $this->getDatabase()->products()->where('parent_product_id = :1', $product->id)->count() !== 0,
 				'mode' => 'edit',
 				'quConversions' => $this->getDatabase()->quantity_unit_conversions()
diff --git a/localization/strings.pot b/localization/strings.pot
index bd359d09..a52519ae 100644
--- a/localization/strings.pot
+++ b/localization/strings.pot
@@ -1933,3 +1933,9 @@ msgstr ""
 
 msgid "When enabled, the amount will always be filled with 1 after changing/scanning a product and if all fields could be automatically populated (by product defaults), the transaction is automatically submitted"
 msgstr ""
+
+msgid "Quick consume amount"
+msgstr ""
+
+msgid "This amount is used for the \"quick consume/open buttons\" on the stock overview page (related to quantity unit stock)"
+msgstr ""
diff --git a/migrations/0103.sql b/migrations/0103.sql
index a8078496..6dcd2ab9 100644
--- a/migrations/0103.sql
+++ b/migrations/0103.sql
@@ -68,6 +68,7 @@ CREATE TABLE products (
 	parent_product_id INT,
 	calories INTEGER,
 	cumulate_min_stock_amount_of_sub_products TINYINT DEFAULT 0,
+	quick_consume_amount REAL NOT NULL DEFAULT 1,
 	row_created_timestamp DATETIME DEFAULT (datetime('now', 'localtime'))
 );
 
@@ -88,6 +89,22 @@ BEGIN
     ) NOTNULL) THEN RAISE(ABORT, "qu_id_stock cannot be changed when the product was once added to stock") END;
 END;
 
+CREATE TRIGGER enforce_parent_product_id_null_when_empty_INS AFTER INSERT ON products
+BEGIN
+	UPDATE products
+	SET parent_product_id = NULL
+	WHERE id = NEW.id
+		AND IFNULL(parent_product_id, '') = '';
+END;
+
+CREATE TRIGGER enforce_parent_product_id_null_when_empty_UPD AFTER UPDATE ON products
+BEGIN
+	UPDATE products
+	SET parent_product_id = NULL
+	WHERE id = NEW.id
+		AND IFNULL(parent_product_id, '') = '';
+END;
+
 DROP VIEW stock_current_location_content;
 CREATE VIEW stock_current_location_content
 AS
diff --git a/migrations/0105.sql b/migrations/0105.sql
index 803d7628..a67d670f 100644
--- a/migrations/0105.sql
+++ b/migrations/0105.sql
@@ -22,7 +22,8 @@ SELECT
     sc.amount_aggregated,
 	p.calories AS product_calories,
 	sc.amount * p.calories AS calories,
-	sc.amount_aggregated * p.calories AS calories_aggregated
+	sc.amount_aggregated * p.calories AS calories_aggregated,
+	p.quick_consume_amount
 FROM (
         SELECT *
         FROM stock_current
@@ -59,7 +60,8 @@ SELECT
     sc.amount_aggregated,
 	p.calories AS product_calories,
 	sc.amount * p.calories AS calories,
-	sc.amount_aggregated * p.calories AS calories_aggregated
+	sc.amount_aggregated * p.calories AS calories_aggregated,
+	p.quick_consume_amount
 FROM (
         SELECT *
         FROM stock_current
diff --git a/public/viewjs/productform.js b/public/viewjs/productform.js
index 8f86ab65..88e2de1a 100644
--- a/public/viewjs/productform.js
+++ b/public/viewjs/productform.js
@@ -185,6 +185,7 @@ $('.input-group-qu').on('change', function(e)
 	}
 
 	$("#tare_weight_qu_info").text($("#qu_id_stock option:selected").text());
+	$("#quick_consume_qu_info").text($("#qu_id_stock option:selected").text());
 
 	Grocy.FrontendHelpers.ValidateForm('product-form');
 });
diff --git a/public/viewjs/stockoverview.js b/public/viewjs/stockoverview.js
index e53b8309..60af4527 100755
--- a/public/viewjs/stockoverview.js
+++ b/public/viewjs/stockoverview.js
@@ -162,9 +162,10 @@ $(document).on('click', '.product-open-button', function(e)
 	var productId = $(e.currentTarget).attr('data-product-id');
 	var productName = $(e.currentTarget).attr('data-product-name');
 	var productQuName = $(e.currentTarget).attr('data-product-qu-name');
+	var amount = $(e.currentTarget).attr('data-open-amount');
 	var button = $(e.currentTarget);
 
-	Grocy.Api.Post('stock/products/' + productId + '/open', { 'amount': 1 },
+	Grocy.Api.Post('stock/products/' + productId + '/open', { 'amount': amount },
 		function(bookingResponse)
 		{
 			Grocy.Api.Get('stock/products/' + productId,
@@ -176,7 +177,7 @@ $(document).on('click', '.product-open-button', function(e)
 					}
 
 					Grocy.FrontendHelpers.EndUiBusy();
-					toastr.success(__t('Marked %1$s of %2$s as opened', 1 + " " + productQuName, productName) + '<br><a class="btn btn-secondary btn-sm mt-2" href="#" onclick="UndoStockTransaction(\'' + bookingResponse.transaction_id + '\')"><i class="fas fa-undo"></i> ' + __t("Undo") + '</a>');
+					toastr.success(__t('Marked %1$s of %2$s as opened', amount.toString() + " " + productQuName, productName) + '<br><a class="btn btn-secondary btn-sm mt-2" href="#" onclick="UndoStockTransaction(\'' + bookingResponse.transaction_id + '\')"><i class="fas fa-undo"></i> ' + __t("Undo") + '</a>');
 					RefreshStatistics();
 					RefreshProductRow(productId);
 				},
diff --git a/views/productform.blade.php b/views/productform.blade.php
index dd70ed41..7392c508 100644
--- a/views/productform.blade.php
+++ b/views/productform.blade.php
@@ -351,6 +351,17 @@
 				value="0">
 			@endif
 
+			@php if($mode == 'edit') { $value = $product->quick_consume_amount; } else { $value = 1; } @endphp
+			@include('components.numberpicker', array(
+			'id' => 'quick_consume_amount',
+			'label' => 'Quick consume amount',
+			'min' => '0.' . str_repeat('0', $userSettings['stock_decimal_places_amounts'] - 1) . '1',
+			'value' => $value,
+			'invalidFeedback' => $__t('The amount cannot be lower than %s', '0'),
+			'hint' => $__t('This amount is used for the "quick consume/open buttons" on the stock overview page (related to quantity unit stock)'),
+			'contextInfoId' => 'quick_consume_qu_info'
+			))
+
 			@include('components.userfieldsform', array(
 			'userfields' => $userfields,
 			'entity' => 'products'
diff --git a/views/stockoverview.blade.php b/views/stockoverview.blade.php
index fb47bb37..8cd8f31d 100755
--- a/views/stockoverview.blade.php
+++ b/views/stockoverview.blade.php
@@ -174,16 +174,16 @@
 				<tr id="product-{{ $currentStockEntry->product_id }}-row"
 					class="@if(GROCY_FEATURE_FLAG_STOCK_BEST_BEFORE_DATE_TRACKING && $currentStockEntry->best_before_date < date('Y-m-d 23:59:59', strtotime('-1 days')) && $currentStockEntry->amount > 0) table-danger @elseif(GROCY_FEATURE_FLAG_STOCK_BEST_BEFORE_DATE_TRACKING && $currentStockEntry->best_before_date < date('Y-m-d 23:59:59', strtotime('+' . $nextXDays . ' days')) && $currentStockEntry->amount > 0) table-warning @elseif ($currentStockEntry->product_missing) table-info @endif">
 					<td class="fit-content border-right">
-						<a class="permission-STOCK_CONSUME btn btn-success btn-sm product-consume-button @if($currentStockEntry->amount < 1 || $currentStockEntry->enable_tare_weight_handling == 1) disabled @endif"
+						<a class="permission-STOCK_CONSUME btn btn-success btn-sm product-consume-button @if($currentStockEntry->amount < $currentStockEntry->quick_consume_amount || $currentStockEntry->enable_tare_weight_handling == 1) disabled @endif"
 							href="#"
 							data-toggle="tooltip"
 							data-placement="left"
-							title="{{ $__t('Consume %1$s of %2$s', '1 ' . $currentStockEntry->qu_unit_name, $currentStockEntry->product_name) }}"
+							title="{{ $__t('Consume %1$s of %2$s', $currentStockEntry->quick_consume_amount . ' ' . $currentStockEntry->qu_unit_name, $currentStockEntry->product_name) }}"
 							data-product-id="{{ $currentStockEntry->product_id }}"
 							data-product-name="{{ $currentStockEntry->product_name }}"
 							data-product-qu-name="{{ $currentStockEntry->qu_unit_name }}"
-							data-consume-amount="1">
-							<i class="fas fa-utensils"></i> 1
+							data-consume-amount="{{ $currentStockEntry->quick_consume_amount }}">
+							<i class="fas fa-utensils"></i> <span class="locale-number locale-number-quantity-amount">{{ $currentStockEntry->quick_consume_amount }}</span>
 						</a>
 						<a id="product-{{ $currentStockEntry->product_id }}-consume-all-button"
 							class="permission-STOCK_CONSUME d-none d-sm-inline-block btn btn-danger btn-sm product-consume-button @if($currentStockEntry->amount == 0) disabled @endif"
@@ -199,15 +199,16 @@
 							<i class="fas fa-utensils"></i> {{ $__t('All') }}
 						</a>
 						@if(GROCY_FEATURE_FLAG_STOCK_PRODUCT_OPENED_TRACKING)
-						<a class="btn btn-success btn-sm product-open-button @if($currentStockEntry->amount < 1 || $currentStockEntry->amount == $currentStockEntry->amount_opened || $currentStockEntry->enable_tare_weight_handling == 1) disabled @endif"
+						<a class="btn btn-success btn-sm product-open-button @if($currentStockEntry->amount < $currentStockEntry->quick_consume_amount || $currentStockEntry->amount == $currentStockEntry->amount_opened || $currentStockEntry->enable_tare_weight_handling == 1) disabled @endif"
 							href="#"
 							data-toggle="tooltip"
 							data-placement="left"
-							title="{{ $__t('Mark %1$s of %2$s as open', '1 ' . $currentStockEntry->qu_unit_name, $currentStockEntry->product_name) }}"
+							title="{{ $__t('Mark %1$s of %2$s as open', $currentStockEntry->quick_consume_amount . ' ' . $currentStockEntry->qu_unit_name, $currentStockEntry->product_name) }}"
 							data-product-id="{{ $currentStockEntry->product_id }}"
 							data-product-name="{{ $currentStockEntry->product_name }}"
-							data-product-qu-name="{{ $currentStockEntry->qu_unit_name }}">
-							<i class="fas fa-box-open"></i> 1
+							data-product-qu-name="{{ $currentStockEntry->qu_unit_name }}"
+							data-open-amount="{{ $currentStockEntry->quick_consume_amount }}">
+							<i class="fas fa-box-open"></i> <span class="locale-number locale-number-quantity-amount">{{ $currentStockEntry->quick_consume_amount }}</span>
 						</a>
 						@endif
 						<div class="dropdown d-inline-block">