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Cocos A+B is a two-part base fertilizer designed for both the growth and flowering periods when growing in coco coir.
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Description
Cocos A+B by Plagron is a base fertilizer for growth and flowering periods. It’s highly concentrated and can be used in almost any medium, although it’s specifically designed with NPK proportions for coco coir grows.
This product’s special formula has perfect pH levels for growing in coco coir, as well as the perfect amount of nutrients. Coco coir is a special kind of substrate that allows microbial life to flourish but contains no nutrients at all – for your plants to be able to absorb everything they need, you need to feed them nutrients every time you water. We recommend using it alongside products designed to get rid of excess minerals in your pots or slabs such as Pure Zym, once every two or three feedings.
Cocos A+B is the perfect base fertilizer for cannabis plants when growing in coco coir and it’s used during the growth and flowering periods. Depending on the exact phase your plants are in, you can combine it with other nutrients such as PK 13-14 or Green Sensation.
It’s fully dissoluble, meaning it can be used in automatic or drip irrigation systems like this 10L Self Watering Bag
without worrying about blockage.
Add 2 ml of A per liter of water, then add 2 ml of B.
Increase the dosage little by little during the flowering period until the fourth week, to a maximum of 3.5 ml.
Cocos A:
NPK 4-0-1
Cocos B:
NPK 1-4-2
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Cocos A+B reviews
06/10/2025
Really good quality! My plants love it. Super easy to dose and the results speak for themselves. I can only recommend it!
Translated from French
Vraiment bonne qualité! Mes plantes l'adorent. Super facile à doser et les résultats parlent d'eux-mêmes. Je ne peux que le recommander!
16/08/2025
Tried it for my indoor grows and the plant is awesome, super vigorous. The difference is very noticeable, especially in the early stage. Does anyone else use it daily as a base? I think it's essential!
Translated from French
Je l'ai essayé pour mes cultures d'intérieur et la plante est géniale, super vigoureuse. La différence est très perceptible, surtout dans la phase initiale. Quelqu'un d'autre l'utilise-t-il quotidiennement comme base? Je pense que c'est essentiel!
19/07/2025
Really excellent! Plants look gorgeous, roots are literally exploding. I see a real difference since using it. Essential for coco, right?
Translated from French
Vraiment excellent! Les plantes sont superbes, les racines explosent littéralement. Je vois une vraie différence depuis que je l'utilise. Indispensable pour le coco, non?
04/07/2025
Plagron Cocos A+B works great. You can notice a positive change in the plants, they absorb better. Essential for coco.
Translated from Spanish
El Cocos A+B de Plagron funciona genial. Se nota un cambio positivo en las plantas, absorben mejor. Imprescindible para coco.
07/11/2020
Using this Cocos A+B A+B can I skip CalMag? My water has EC0. What would be good complementary Cocos A+Bs for growth and flowering? For flowering I'm going to use A+B and Green Sensation
Translated from Spanish
¿Usando este Cocos A+B A+B puedo prescindir de CalMag? Mi agua tiene EC0
¿cuales serían unos buenos Cocos A+Bs complementarios para crecimiento y flora? Para flora voy usar A+B y Green Sensation
31/07/2020
It's a very good Cocos A+B effective and well priced. It's already the second time I've bought it and I'll keep doing so.
Translated from Spanish
Es un muy buen Cocos A+B eficaz y a buen precio. Ya es la segunda vez que lo compro y lo seguiré haciendo.