Best Ertrag Indoor 2026

Advertising Disclosure

Last Updated - 03.02.2026

Best Choice

01

HOMEKING

HOMEKING Grow Tent 60 x 60 x 180 cm, Professional Grow Tents for Hydroponics, Waterproof, Lightproof 1680D & High Yields, Perfect for Indoor Greenhouse Hydroponic System, Colour: Grey/Black

Show more
9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Viewing window control: with 2 viewing windows, you can keep an eye on your plants at all times - ideal for hydroponics, home grow and precise plant care.
REFLECTIVE POWER: The 1680D mylar film ensures maximum light output - ideal for any grow lamp and energy efficient cultivation.
Flexible grow tent: our grow tent (60 x 60 x 180 cm) can be used as a single grow tent or complete set - perfect for beginners and professionals in indoor growth.
Drying function included - also suitable for drying: the viewing window allows you to control the condition of herbs or flowers - without disturbing the microclimate. Perfectly combined with hygrometer and exhaust air.
CLEAN SOLUTION: Mould resistant, airtight and robust - can be used as a greenhouse indoor or growing system. Also fits any grow fan.

74,99 €
Value for Money

02

BudGuru

BudGuru Fertiliser for Plant Growth, Indoor and Outdoor (3 x 1 Litre), Chemical-Resistant Scoop with Precise Scale, Dosing Aid for Easy Filling

Show more
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

OPTIMAL NPK NUTRIENT BLEND Our carefully tuned formula provides the ideal balance of nitrogen, phosphorus and potassium that promotes healthy growth and lush blooms. Increase the yield, improve the taste of your plants.
IDEAL FOR INDOOR AND OUTDOOR GROWING Our all-in-one special fertilizer is perfect for growing plants indoors and outdoors. It supports both photoperiodic and autoflowering varieties, so that your plants can thrive anywhere and develop their full potential.
EASY TO USE FOR BEGINNERS AND PROFESSIONALS - Our fertiliser has been developed with experts from agriculture and experienced growers. With the enclosed fertilising scheme, the application is child's play. Whether a beginner or experienced grower - your plants are optimally cared for.
Pure organic and chemical-free: our fertiliser consists exclusively of natural ingredients and effective micro-organisms. It promotes the growth of your plants naturally, provides strong green, strong roots and lush, rich flowers.
Perfect for all growth phases: our organic special fertiliser provides your plants with nutrients optimally at every stage - from cultivation to growth phase to flowering.

25,46 €
03

Grow Expert

40 Pieces Plant Bender Angle Grow LST Clips for Low Stress Training - 90 Degree Plant Trainer & Plant Support for Efficient Bending - More Even Growth and Higher Yields (Pack of 40)

Show more
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

STRONG AND DURABLE Made from durable material that can withstand the demands of growing plants
PROMOTES EVEN GROWTH Optimizes light distribution to support the growth of all plant parts
MULTIPURPOSE Great for use indoors and outdoors, suitable for beginners and experienced gardeners alike
Higher Yields - Low Stress Training (LST) allows you to maximize the yield of your cannabis plants
Easy to Use The 90 degree angle LST clips are easy to install and adjust without damaging the plants.

6,69 €
04

Grünerdaumen Verlag

Das 1x1 des Cannabis-Anbaus - Das Praxisbuch: Von der Saat bis zur Ernte: Bewährte Methoden für den erfolgreichen Indoor- und Outdoor-Anbau von Cannabis - für maximale Erträge
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

16,99 €
05

Sandyseptember

Hydroponik Anzuchtbox 6-Loch Indoor Anzuchtsystem mit stabilem PP-Material und erdfreiem Anzuchtprozess für verbesserte Wurzelgesundheit und Ertrag

Show more
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

[Verbesserte Wurzelgesundheit] Die mehrporige Struktur verbessert den Sauerstofffluss zu den Wurzeln, was zu stärkeren, höheren Überlebensraten und gleichmäßigeren Ernten von Salatgrün und Kräutern führt.
[Stabiler Polypropylen-Rahmen] Hergestellt aus stabilem PP-Material, um Verschleiß zu widerstehen und den Wasserfluss stabil zu halten, unterstützt eine zuverlässige Zirkulation für wiederholte Wachstumszyklen.
[Entwickelt für Innenräume] Sonnenlicht-Simulationsfunktion ermöglicht das Wachstum in dunkleren Jahreszeiten; schlankes Profil und neutrale Farboptionen ermöglichen die Platzierung auf Fensterbänken, Theken und kleinen Regalen.
[Einfache bodenfreie Bedienung] Sichtbare Wasserstandsführung und ein organisiertes Nährstoffreservoir machen die Aktivierung und Überwachung für erstmalige Indoor-Gärtner einfach.
[Doppelbox-Set] Zwei komplette Pflanzkästen enthalten, jeweils mit sechs Pflanzplätzen, so dass Sie mehrere Sorten gleichzeitig anbauen und die Pflanzen mit Leichtigkeit drehen können.

11,47 €
06

CO2bag

CO2bag XL for Effective Growth | Improves Taste, Colour & Yield | Compact & Maintenance Free for Indoor Growing and Greenhouses

Show more
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Your satisfaction, our promise: We are convinced of the quality and effectiveness of our CO2Bags. That's why each product comes with a 100% satisfaction guarantee that allows you to grow safely.
OPTIMAL AIR DISTRIBUTION Since CO2 is heavier than air, our recommended placement over your plants ensures optimal gas distribution, so that the important CO2 naturally falls down and enriches the entire growing space.
Increase plant growth & yield: Unleash the full potential of your plants with a constant CO2 intake that results in faster growth rates, accelerated fruit ripening and significantly larger, healthier yields.
Effortless & Safe CO2 Boost: Enjoy hassle-free setup without complicated equipment, electricity or maintenance. Simply hang the bag and let it work its magic to ensure a safe environment for you and your plants.
COMPACT, AFFORDABLE & EFFECTIVE Get premium carbon enrichment in a small, budget-friendly package. Each CO2Bag XL is perfect for areas up to 3 m² and delivers strong results without the scope or cost of conventional CO2 systems.

24,99 €
07

BudGuru

BudGuru Fertiliser for Plant Growth, Indoor and Outdoor (3 x 1 Litre), Chemical-Resistant Scoop with Precise Scale, Dosing Aid for Easy Filling

Show more

15% Off
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

OPTIMAL NPK NUTRIENT BLEND Our carefully tuned formula provides the ideal balance of nitrogen, phosphorus and potassium that promotes healthy growth and lush blooms. Increase the yield, improve the taste of your plants.
IDEAL FOR INDOOR AND OUTDOOR GROWING Our all-in-one special fertilizer is perfect for growing plants indoors and outdoors. It supports both photoperiodic and autoflowering varieties, so that your plants can thrive anywhere and develop their full potential.
EASY TO USE FOR BEGINNERS AND PROFESSIONALS - Our fertiliser has been developed with experts from agriculture and experienced growers. With the enclosed fertilising scheme, the application is child's play. Whether a beginner or experienced grower - your plants are optimally cared for.
Pure organic and chemical-free: our fertiliser consists exclusively of natural ingredients and effective micro-organisms. It promotes the growth of your plants naturally, provides strong green, strong roots and lush, rich flowers.
Perfect for all growth phases: our organic special fertiliser provides your plants with nutrients optimally at every stage - from cultivation to growth phase to flowering.

22,91 € 26,81 €(15% Off off)
08

UP NUTRIENTS

UP NUTRIENTS ALL IN ONE Cannabis Fertiliser 250 ml | Liquid Organic NPK 5 1 5 Fertiliser for Growth & Flowering - Complete Solution for Hemp Indoor Outdoor - Organic, pH Stable, High Yields

Show more
8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

[Without heavy metals] Free from heavy metals and chemicals, ALL IN ONE promotes responsible agriculture that respects the biodiversity of the environment. It is rich in humic and fulvic acids that improve nutrient absorption, resulting in larger plants and tastier, larger fruits
[Organic production with NPK 5 - 1 -5] All in one from Up Nutrients is the most comprehensive product on the market, with a fully optimised formulation for the growth of your plants, from seed germination to flowering
[100% organic] At Up Nutrients, we attach importance to the highest quality of our fertilisers, so our ALL IN ONE is certified by ECOCERT and complies with the European regulation CE 2092/91. Our organic fertiliser is made exclusively from fermented plant materials, which ensures pure and chemical-free cultivation
X4 more concentration: Our all-in-one is four times more concentrated than other fertilisers, thanks to the rich formulation we have developed and which provides a wealth of micro and macronutrients for your plants. So we guarantee the best possible growth of your plants and the maximum taste
Discreet shipping: Our shipments are sent discreetly and safely. We protect your privacy, so you don't have to worry
All in one: With the all-in-one from Up Nutrients, you can offer your plants everything they need from root growth to flowering. You start with 2 ml and increase the dose later to up to 4 ml per plant. In addition, a dispenser is included in the bottle to make the application even more convenient

9,95 €
09

UP NUTRIENTS

UP NUTRIENTS ALL IN ONE Cannabis Fertiliser 250 ml | Liquid Organic NPK 5 1 5 Fertiliser for Growth & Flowering - Complete Solution for Hemp Indoor Outdoor - Organic, pH Stable, High Yields

Show more
8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

[Without heavy metals] Free from heavy metals and chemicals, ALL IN ONE promotes responsible agriculture that respects the biodiversity of the environment. It is rich in humic and fulvic acids that improve nutrient absorption, resulting in larger plants and tastier, larger fruits
[Organic production with NPK 5 - 1 -5] All in one from Up Nutrients is the most comprehensive product on the market, with a fully optimised formulation for the growth of your plants, from seed germination to flowering
[100% organic] At Up Nutrients, we attach importance to the highest quality of our fertilisers, so our ALL IN ONE is certified by ECOCERT and complies with the European regulation CE 2092/91. Our organic fertiliser is made exclusively from fermented plant materials, which ensures pure and chemical-free cultivation
X4 more concentration: Our all-in-one is four times more concentrated than other fertilisers, thanks to the rich formulation we have developed and which provides a wealth of micro and macronutrients for your plants. So we guarantee the best possible growth of your plants and the maximum taste
Discreet shipping: Our shipments are sent discreetly and safely. We protect your privacy, so you don't have to worry
All in one: With the all-in-one from Up Nutrients, you can offer your plants everything they need from root growth to flowering. You start with 2 ml and increase the dose later to up to 4 ml per plant. In addition, a dispenser is included in the bottle to make the application even more convenient

9,95 €
10

UP NUTRIENTS

UP NUTRIENTS ALL IN ONE Cannabis Fertiliser 500 ml | Liquid Organic NPK 5 1 5 Fertiliser for Growth & Flowering - Complete Solution for Hemp Indoor Outdoor - Organic, pH Stable, High Yields

Show more
8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

[Without heavy metals] Free from heavy metals and chemicals, ALL IN ONE promotes responsible agriculture that respects the biodiversity of the environment. It is rich in humic and fulvic acids that improve nutrient absorption, resulting in larger plants and tastier, larger fruits
[Organic production with NPK 5 - 1 -5] All in one from Up Nutrients is the most comprehensive product on the market, with a fully optimised formulation for the growth of your plants, from seed germination to flowering
[100% organic] At Up Nutrients, we attach importance to the highest quality of our fertilisers, so our ALL IN ONE is certified by ECOCERT and complies with the European regulation CE 2092/91. Our organic fertiliser is made exclusively from fermented plant materials, which ensures pure and chemical-free cultivation
X4 more concentration: Our all-in-one is four times more concentrated than other fertilisers, thanks to the rich formulation we have developed and which provides a wealth of micro and macronutrients for your plants. So we guarantee the best possible growth of your plants and the maximum taste
Discreet shipping: Our shipments are sent discreetly and safely. We protect your privacy, so you don't have to worry
All in one: With the all-in-one from Up Nutrients, you can offer your plants everything they need from root growth to flowering. You start with 2 ml and increase the dose later to up to 4 ml per plant. In addition, a dispenser is included in the bottle to make the application even more convenient

12,95 €