Description
Quick Answer
Mammoth P is a liquid beneficial-microbe inoculant designed to work alongside a regular fertiliser program by supporting phosphorus and micronutrient availability. It is suitable for hydroponic, coco, soil and soilless growing media and is available here in 250ML and 1L bottles.
Product Description
Mammoth P contains a consortium of four beneficial bacterial species selected for nutrient cycling in the root zone. The manufacturer describes the current formulation as near-neutral in pH and clean-running across growing systems. It is a supplement to an established nutrition program, not a complete fertiliser or a replacement for base nutrients.
Key Features
- Beneficial microbial inoculant for the plant root zone
- Supports phosphorus and micronutrient availability
- Compatible with hydroponic, coco, soil and soilless media
- Designed for use through all growth stages
- Near-neutral pH liquid formulation
- Use alongside the grower's regular fertiliser program
Available Sizes
| Shopify variant | Format |
|---|---|
| 250ML | Liquid microbial inoculant |
| 1L | Liquid microbial inoculant |
Select the required bottle size from the product options before adding to cart.
Specifications
| Brand | Mammoth |
|---|---|
| Product | Mammoth P |
| Product type | Liquid beneficial-microbe inoculant and fertiliser enhancer |
| Active ingredient | Bacteria culture, 1% |
| Inert ingredients | Plant extract, 2%; inactive ingredients/water, 97% |
| Guaranteed soil-amending organisms | Pseudomonas putida 1 × 104 CFU/mL; Comamonas testosteroni 1 × 104 CFU/mL; Citrobacter freundii 1 × 106 CFU/mL; Enterobacter cloacae 1 × 106 CFU/mL |
| Total guaranteed organisms | 2.02 × 106 CFU/mL |
| Compatible media | Hydroponic, coco, soil and soilless systems |
| Application rate | 0.6 mL per gallon, twice per week |
| Manufacturer shelf-life statement | Greater than two years; use within six months of opening for best results |
Package Contents
- 1 × Mammoth P bottle in the selected 250ML or 1L size
Directions for Use
- Shake the bottle well before use.
- Measure 0.6 mL of Mammoth P per gallon of water.
- Mix thoroughly into the irrigation water or nutrient solution.
- Apply the mixture twice per week alongside the regular fertiliser program.
Follow the manufacturer label and the requirements of the crop and growing system. Mammoth P supplements normal nutrition; it does not replace base fertiliser.
Care, Storage and Safety
- Store away from direct sunlight and hot or cold extremes.
- Biofilm, colour variation, odour and sediment can occur naturally with this live-microbe product.
- Avoid contact with eyes, mouth and broken skin, and do not inhale the product.
- Wear eye and skin protection when handling and wash hands after use.
- People with a compromised immune system should take particular care because the product contains live microorganisms.
Frequently Asked Questions
What is Mammoth P?
Mammoth P is a liquid consortium of beneficial bacteria used as a microbial inoculant to support nutrient cycling and phosphorus availability in the root zone.
Is Mammoth P a complete fertiliser?
No. Mammoth P is a supplement intended to be used with a regular fertiliser program, not in place of base nutrients.
Which growing media can use Mammoth P?
The manufacturer lists hydroponic, coco, soil and soilless media as compatible.
How much Mammoth P should I use?
The official application rate is 0.6 mL per gallon of water.
How often should Mammoth P be applied?
The manufacturer directs growers to apply the mixed solution twice per week.
Should Mammoth P be shaken before use?
Yes. Shake the bottle well before measuring and mixing.
Can Mammoth P be used during all growth stages?
Yes. The manufacturer states that it can be used from seedling or clone stages onward and is suitable through all growth stages.
Are sediment or odour normal?
Yes. The manufacturer notes that biofilm, colour variation, odour and sediment are normal signs of microbial activity.
How should Mammoth P be stored?
Keep it out of direct sunlight and away from hot and cold extremes. For best results, use it within six months after opening.
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Customer Reviews
This is quality. Easy to order online and it arrived in rural NSW in just a few days. Couldn't be happier with the whole experience. Well done.
Spot on! Does the job perfectly. The customer service was also fantastic, answered all my questions.
Good on ya, TG Hydroponics! This bit of gear is excellent. Arrived well-packed and works a treat.
Can't fault it. From the easy ordering process to the quick delivery and the quality of the product itself. 10/10.
This has been a ripper addition to my setup. My yields have definitely improved. Highly recommend.
I was a bit skeptical at first, but this thing is the real deal. Makes life so much easier.
Top-notch product and even better service. Had a query and they sorted it out straight away. Legendary.
If you're thinking about it, just get it. You won't regret it. Makes a massive difference.
Two thumbs up. It's a reliable piece of equipment that's built to last. Well worth the money.
This is the duck's nuts, mate. Seriously good stuff. My plants are looking happier than a pig in mud.


















