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Performance & Quality · Solutions

How to Increase Brix in Citrus

Brix and the sugar-acid balance define citrus eating quality and grade. Weak trees, heavy crops and poor late nutrition leave fruit tart and under-flavoured, missing premium specs.

Common crops affected

Why it matters

Brix drives flavour, grade, and price; it's built by healthy photosynthesis plus potassium and finishing nutrition, so two blocks of the same variety can differ widely.

When it appears

During fruit development and ripening — the finishing window.

What drives it

  • Tree vigour and leaf health
  • Crop load balance
  • Potassium and late-season nutrition
  • Maturity and harvest timing

How to manage it

  1. Protect late-season leaf health; supply potassium; avoid late nitrogen.
  2. Apply Brix Boost with Potassium Pro through ripening.

Recommended Vegalab program

Brix Boost — encapsulated nutrition supporting sugar development as fruit matures.

Results you can mention: in a cherry-tomato trial, Brix Boost raised fruit sugar by about +2 °Brix versus untreated (reaching ~6 vs ~4 °Brix) and fruit ripened earlier; in field trials Charge BioBoost also lifted soluble solids (roughly +0.4–0.6 °Brix) alongside yield.

RoleProductUse
Sugar enhancerBrix BoostFruit-sweetening fertiliser (P, K, trace elements)
Potassium drivePotassium ProMoves sugars into fruit
FinishHarvest ProLate-season fruit development

Apply through maturation on the label interval; balance crop load and late nutrition.

Product claims, rates, and availability vary by jurisdiction; always follow the applicable label.

Frequently asked questions

Does thinning help Brix?

Yes — reducing excess load lets remaining fruit accumulate more sugar; pair with Brix Boost.