Plagron Batmix Soil Active CO2 Bcuzz also recommends using their

Bcuzz also recommends using their Blossom Tabzz as a kind of PK boost towards the end of the flowering cycle - feedback from customers tells us that these do work quite well and are worth the money

this monitor ensures your nutrient solution is perfectly balanced

Contains chelated micronutrients for increased nutrient absorption

Easy to Use: Spray directly onto plants during the early flowering phase for quick absorption and action without the need for mixing or complicated application processes

Plagron Batmix Soil Active CO2 Bcuzz also recommends using theirPlagrons flagship soil, BatMix is in our opinion currently the best soil available for organic growing. It contains all of the usual ingredients that you find in its competitors such as Cannas professional range and Biobizzs All Mix, but Plagron has also included a cracking level of bat guano into the mix and plants absolutely love it. Bat mix contains enough fertiliser for around 3 4 weeks of rapid growth with just tap water added, or it also works