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Plant Magic Oldtimer PK 4/8

Regular price £31.46 £34.95 | Save £3.49 (9% off)
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SKU: 2309
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Plant Magic Oldtimer PK 4/8

1l - £31.46
  • 1l - £31.46
  • 5l

Plant Magic Oldtimer PK 4/8


Plant Magic Oldtimer PK 4-8 is a naturally enhanced organic PK booster that will increase fruiting and flowering production.

  • Optimised PK ratio for bigger harvests
  • Vital phosphorous for efficient plant energy management
  • High potassium content for more colourful fruit and increased BRIX (sucrose) levels
  • Suitable for use with any crop type in soil, in both hard or soft water areas

Containing double the amount of potassium to phosphorous, often called the 'magic' ratio for flowering boosters, Oldtimer PK 4-8 is up there with the best organic flowering boosters on the market. The optimised levels of phosphorous and potassium ensure crops full of flavour and aroma - delivering quality results and is a great overall choice for organic growers.

How to use Plant Magic Oldtimer PK 4-8:

  • Shake well before use.
  • Apply at a dilution rate of 1-2ml per litre from the start of week 4 of the flowering/bloom cycle, until the flushing stage.
  • Please refer to the feed schedule for more information (see downloads below).

Plant Magic has been delivering good, consistent results for many years - the Oldtimer range is no different and Oldtimer PK 4-8 remains a solid choice for organic growers. Recommended.

Best Practices:

  • Use clean measuring instruments - do not put anything into the bottle.
  • Optimal pH range: 5.5 - 6.2
  • For best results, monitor EC regularly and adjust accordingly based on crop type and growth stage.
  • Store away from direct sunlight, closed in its original packaging between 5°C and 25°C.
  • Once open, use within 6 months for best results. Use within 2 years of production date (see cap or bottle).


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