Greens Horticulture - Serving Growers All Over The UK

Plant Magic Plant Magic Platinum

  • From £15.95
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Plant Magic Platinum is a highly concentrated flowering/fruiting PK booster for use in any growing medium.

Unlike most PK boosters, it contains double the amount of potassium (18%) to phosphorus (9%) - boosting your flowers/fruits to their full potential, enabling fruits to develop dense structures whilst enhancing flavour and aroma.

Available in 120ml, 300ml, 600ml and 1200ml sizes.

Plant Magic Platinum is a highly concentrated flowering/fruiting PK booster with a difference. Unlike most PK boosters on the market, Plant Magic Platinum contains double the amount of potassium to phosphorus which is shown to really boost your flowers and fruits to their full potential, often enabling fruits to develop a dense structure whilst enhancing flavour, aroma, and increasing sugar production.

Can this product be used as a stand-alone fertiliser?

No, Platinum is an additive designed to be used alongside a complete fertiliser to boost growth. For example, if you were growing in soil you’d use this product alongside Plant Magic Soil Bloom during the flowering/fruiting phase to ensure you get the very most out of your plants.

Can Platinum be used with all substrates?

Yes, Plant Magic Platinum is suitable for use in soil, coco, and hydroponic applications. Although it can be used effectively in all mediums, it will be especially beneficial to soil growers due to its specific blend of bio-stimulants which increases the Cation Exchange Capacity and the number of nutrients in the soil available to your plants.

This seems more expensive than other flowering additives, why?

This is primarily down to the highly concentrated formula, the special blend that makes Platinum much more than an average PK booster, and the fact that only the finest ingredients are used throughout. For example, most other PK boosters out there will require you to use up to 10 times the amount per litre compared to Plant Magic’s Platinum.

How do I use Plant Magic Platinum?

This depends on what substrate you are using but in all cases you should only start using Platinum when your plants enter their fourth week of flowering. Then the recommended dosage per litre of water is as follows:

Hydro and Coco:

  • Week 4: 0.4ml per litre
  • Week 5: 0.5ml per litre
  • Week 6: 0.6ml per litre
  • Week 7: 0.7ml per litre


  • Week 4: 0.3ml per litre
  • Week 5: 0.4ml per litre
  • Week 6: 0.5ml per litre
  • Week 7: 0.7ml per litre

Stop using Plant Magic Platinum in all substrates at the end of the seventh week of flowering/fruiting.

Can I use this with other fertilisers?

On the whole Plant Magic Platinum can be used as an additive alongside other complete flowering fertilisers but for the best results, we would always recommend using this alongside the other fertilisers and additives from Plant Magic.

What sizes of Plant Magic Platinum are available?

It comes in 120ml, 300ml, 600ml & 1200ml – make your selection above.

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