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Choose Atami and B’cuzz nutrients for your growing medium first: Soil for potting soil, Coco for coco coir and Hydro for hydroponics. The range also includes 1 Compo, ATA Terra and targeted root and flowering additives. We help you match base nutrients, growth stage and dosing.
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Start with the base feed. Choose B’cuzz Soil A&B for potting soil, B’cuzz Coco A&B for coco coir and B’cuzz Hydro A&B for hydroponics. Use the matching A and B components together. The coco formula accounts for the properties of coco coir; swapping it for soil nutrients is not a like-for-like change.
Prefer one bottle of base feed for soil? B’cuzz 1 Compo is developed for calcium-rich soils and can be used through growth and flowering. With ATA Terra, choose Terra Leaves for vegetative growth and Terra Max for flowering. Match the medium and feeding approach before deciding on bottle size.

| Feature | Soil A&B | Coco A&B | Hydro A&B |
|---|---|---|---|
| Growing medium | Soil / potting compost | Coco coir | Hydroponics |
| Feed system | Use A and B together | Use A and B together | Use A and B together |
| Use throughout | Growth and flowering | Growth and flowering | Growth and flowering |
| Available size variants | 1, 5 and 10 litres | 1, 5 and 10 litres | 1, 5 and 10 litres |
B’cuzz Root Stimulator, ATA Rootfast and Rootbastic focus on root development. Rootbastic is concentrated and has its own stepped dose. Do not copy the millilitres from another root product. Choose a suitable product and check its application period in your feeding schedule.
B’cuzz Bloom Stimulator is used from flower formation; Coco Bloom Stimulator is the version for coco coir. Bloombastic is a PK-rich additive for the final four to six weeks of flowering and ripening. Avoid combining it with another PK feed, which increases the risk of overfeeding. Rokzbastic and Blossom Builder Liquid also have their own applications and doses.
Tell us your growing medium, plant stage and the bottles you already use. We help you choose a suitable feeding programme.
Soil, coco or hydro
Base feed and additives
Schedule and dose per component


Choose an Atami schedule for your medium. Calculate A and B separately and use root and bloom additives at the right stage.
Read moreB’cuzz A&B base feeds come in 1, 5 and 10 litre variants. Calculate what you need from the water volume, dose per component and number of mixes. A larger bottle does not change the dose per litre. Additive pack sizes vary, so check the exact option before ordering.
ATA CalMag supplies calcium and magnesium; Silic Boost supplies silicon. Add them for a defined purpose within your programme. ATA Clean is intended for the irrigation system and does not replace base feed. Check EC and pH after mixing with a suitable meter. Read our guide to measuring pH and EC for more detail.