BioBizz Top-Max


Size: 500ml
Sale price£15.99

New to BioBizz? Dip your toe in the water with a Starter Pack or a Try Pack.

BioBizz Top-Max

BioBizz Top-Max is one of the original liquid organic plant boosters and is still one of the best. Packed with goodness to help grow large, beautiful and aromatic flowers and fruits the natural way.

All BioBizz products encourage beneficial microbial activity in the root-zone. This increases yield and root-health. For a really flourishing microherd we highly recommend using Ecothrive Neutralise to avoid the chlorine/chloramine in tap water from inhibiting, or even killing, the friendly microbes, plus a quality beneficial inoculant such as Ecothrive Biosys with BioBizz products. For an extra kick, try Ecothrive Charge too!

How BioBizz Top-Max Works

BioBizz Top-Max is a 100% vegetable based bloom stimulator that’s certified as organic. It contains fulvic acids and some humic acid derived from natural leonardite. Top-Max works by encouraging cell division and increases the transport of nutrients, sugars and trace elements to the fruit and flowers. This results in higher Brix levels and in turn larger, higher quality crops. The higher Brix levels that Top-Max causes creates a big increase in the natural oils in plants and improves the flavour and aroma of fruits and flowers considerably.

Even if you use mineral fertilisers, a supplement combination of Top-Max, Bio-Bloom and Bio-Heaven will work wonders as an alternative to mineral PK boosters. Simply use in place of your usual PK booster in weeks 4 &6 to gain a sublime organic taste.

Looking for a copy of the BioBizz feed chart? Check out the downloads tab.

Top-Max Data Sheet

To see the full BioBizz Nutrients range, click here


Your choice of size of BioBizz Top-Max

Pair this alongside our Ecothrive Starter Packs to get the most out of your organic grow!

Top-Max (and the rest of the BioBizz range) teams up well with BioBizz All-Mix or Lite-Mix. All-Mix is a more heavily fertilised soil, making it ideal for repotting well established plants. Lite-Mix (as the name suggests) is better for younger plants or for growers who want complete control over nutrient strength.


  • Created by a top Dutch manufacturer – BioBizz
  • 100% vegetable based bloom stimulator
  • Certified organic booster
  • Excellent for use in flowering stage for bigger blooms and fruit
  • Increases all-important Brix levels in plant sap
  • Improves the transport of nutrients and sugars into and around the parts of the plant
  • Increases natural oils, flavours and aromas
  • Perfect for use with the range of BioBizz nutrients and additives

How To Use

How to Use BioBizz Top-Max

BioBizz Top-Max is mainly for use in the flowering stage for soil-grown plants. Dilute BioBizz Top-Max at a rate of 2-5ml/Litre of water and mix well. Use with every watering in the flowering cycle.

Used as directed and in combination with BioBizz nutrients and additives, Top-Max will increase yield and improve the quality of your crops.

BioBizz Top-Max recommended feed dosage – 2-5ml/Litre every watering during flowering.

BioBizz Top-Max NPK – 0.1-0.01-0.1

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