In StockAtami Bloombastic
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Description
Atami Bloombastic is a powerful and award-winning PK booster and sugar stimulator that has seen a big increase in popularity with some excellent results.
- Increases crop yield weight and quality
- All-in-one flowering stimulator, bio-activator, hardener and flavour enhancer
- Can be used in any growing system
- Ideal for use with any nutrient schedule/brand.
Combining biological minerals with biological stimulants to give your plants PK14/15 - stronger than a lot of other flowering boosters - it works as a stimulator, strengthener, flavour enhancer and biological activator for various enzymatic processes ensuring your plants are reaching their full potential. Atami say that by stimulating the enzyme process on several levels, your plant will be less sensitive to stress factors such as warmth, dry air, high light intensity, disease and any nutrient deficiencies. Containing over 50% more bio-minerals (phosphorus and potassium) than many other flowering additives on the market (for which absolutely no ballast substances (such as sodium or chloride) have been used), its for use in the final four to six weeks of the flowering phase - it can be combined with any other brand of base nutrients, taking the place of any PK booster and flower stimulator, although Atami recommend using Bcuzz Bloom Stimulator for even more sugar production and flavour enhancement. We would however recommend starting off at half dose (0.5ml per litre) for the first week or two, then building up to full strength, and also hand watering it in once a week if you are using an automated soil watering system such as AutoPots.
How to use Atami Bloombastic:
- Use 0.5-1ml per litre from week 3 of the flowering/fruiting phase
- Please refer to the feed schedule for more information (see downloads below).
Best Practices:
- Shake well before use.
- Use clean measuring instruments--do not put anything into the bottle.
- Monitor EC regularly and adjust accordingly based on crop and growth stage.
- Store closed in original packaging at a temperature between 45° F and 85° F.
Composition: NPK 0-14-15 When used correctly Atami Bloombastic really can add noticeably more density and weight as well as an improved quality to all kinds of indoor and outdoor fruit/flower crops.But tread carefully, its strong stuff - start off at a half dose before building up to full strength. Highly recommended.
Key facts
| Type | PK booster and sugar stimulator in one |
|---|---|
| NPK | 0-14-15 |
| Dose | 0.5-1 ml per litre |
| When | From week 3 of flowering, for the final four to six weeks |
| Growing medium | Any growing system |
| Works with | Any brand of base nutrient; takes the place of a separate PK booster and flower stimulator |
| Free from | Ballast substances such as sodium and chloride |
| Brand | Atami |
| Sizes | 325ml, 1.25l, 5.5l |
| Category | Growth/Bloom Stims |
How to use
- Shake the bottle well.
- From week 3 of flowering, add Bloombastic at 0.5 ml per litre for the first week or two.
- Build up to the full 1 ml per litre for the rest of flowering.
- It is strong: start at the half dose, check the EC regularly and adjust for the crop.
- On an automatic watering system such as Autopot, hand water it in once a week.
- Measure with clean instruments, do not put anything into the bottle, and store closed between 7°C and 29°C.
Questions
Do I still need a PK booster with Bloombastic?
No. It takes the place of both a PK booster and a flower stimulator, and can be combined with any brand of base nutrient.
How much Bloombastic should I start with?
Half strength: 0.5 ml per litre for the first week or two, then build up to 1 ml per litre.
Growers’ guides
- Advanced Nutrients Feed Chart: Sensi Grow & Bloom by WeekThe Advanced Nutrients feed chart for pH Perfect Sensi Grow and Bloom (and Sensi Coco): base and additive doses week by week in ml per litre.
- Biobizz Feed Chart 2026: All·Mix and Light·Mix SchedulesThe Biobizz feed chart week by week for Light·Mix, Coco·Mix and All·Mix: Bio·Grow, Bio·Bloom, Top·Max, Root·Juice and the boosters in ml per litre.




