Aptus Finaleboost, 5 L

Concentrate Potassium in the Final Weeks Without Sacrificing Other Elements

The final weeks of flowering are when potassium demand peaks. Standard bloom products try to deliver both phosphorus and potassium at elevated levels simultaneously — but high potassium directly blocks nitrogen, calcium, and magnesium uptake at exactly the moment the plant needs those nutrients to finish strong.

Finaleboost concentrates potassium in a single, isolated product covering weeks 5 through 8, removing phosphorus from the equation entirely. The result is a high-K ripening push that doesn't knock out the nitrogen, calcium, and magnesium uptake the plant depends on to complete final development.

Start introducing Finaleboost from week 5 while Peakboost is still active, then drop Peakboost by week 7 and run Finaleboost alone at full dose through the end of the cycle.

Key Features & Benefits

• Isolated plant-available potassium — delivers a concentrated K load for the ripening phase without the phosphorus that causes mineral antagonism in standard bloom products.
• Nitrogen, calcium, and magnesium preservation — removing phosphorus from the late-bloom equation keeps the uptake of these three nutrients intact through the final weeks.
• Weeks 5-8 timeline — applied through the end-ripening phase at escalating doses, starting at 6 ml/5gal in week 5 and increasing to 20 ml/5gal by week 8.
• Bridges the Peakboost transition — run alongside Peakboost from weeks 5 to 6, then solo from weeks 7 to 8 after Peakboost is discontinued.
• Part of the Aptus mineral-antagonism framework — applies the principle that phosphorus and potassium should not be delivered together at high levels — each element is isolated into its own product.
• Sized from 1 to 20 liters — lets growers scale the bottle to the length of the program and the size of the operation.

Who Should Use Aptus Finaleboost

Growers driving the final-push ripening phase who want elevated potassium without the phosphorus antagonism that blocks nitrogen, calcium, and magnesium — allowing the plant to finish strong on all fronts — with the 5 L size matched to garden scale.

Transitioning From Peakboost to Finaleboost

Begin Finaleboost at 6 ml per 5 gallons during week 5 while Peakboost is still running. Continue both products through week 6. From week 7 onward, stop Peakboost entirely and increase Finaleboost toward 20 ml per 5 gallons by week 8. This staged handoff ensures a smooth transition between the P-peak phase and the K-ripening phase.

Frequently Asked Questions

When do I stop using Peakboost and run Finaleboost alone?

Start Finaleboost in week 5 alongside Peakboost. Drop Peakboost at the end of week 6 and run Finaleboost solo from week 7 through week 8, increasing the dose each week.

How does Finaleboost differ from standard P-K bloom boosters?

Finaleboost isolates potassium into a single product, removing the phosphorus that would antagonize nitrogen, calcium, and magnesium uptake in the final weeks. Standard P-K products force both elements in together and don't allow for this separation.

What dosage range does Finaleboost use?

Start at 6 ml per 5 gallons in week 5 and increase each week, reaching up to 20 ml per 5 gallons in week 8. The gradual escalation matches increasing K demand through the ripening phase.

Why does isolated potassium in Finaleboost protect nitrogen, calcium, and magnesium?

High phosphorus blocks nitrogen, calcium, and magnesium uptake through ionic competition. By removing phosphorus from the week 7–8 feed, Finaleboost allows the plant to take up all three of these nutrients at full capacity during the final ripening push.