Aptus Startboost
Aptus Startboost is the root and growth booster that sits at the foundation of the Aptus range, a highly concentrated blend of humic acid and protein hydrolysate that supports a plant while it is still building the root system everything else depends on. It works as a nitrogen booster, root stimulator, microbial inoculant and rooting agent in one bottle, which is why it earns a place from propagation, through the whole vegetative phase, and into the first week of flowering. The nitrogen it carries is organic, held by the amino acids that supply it, rather than delivered as a mineral salt.
Two natural ingredients do the work. Protein hydrolysate delivers L-amino acids, produced by enzymatic digestion of natural materials, and those amino acids are both the source of the organic nitrogen and a stimulus to the bacteria population living in the planting medium. The nitrogen content is 6.1%, chelated with left-turning amino acids, and that chelation is what lifts how readily the plant can take it up. Leonardite humic acid is the second half: a building block of soil structure and health, and a chelator of the elements already sitting in the medium. Between them they increase the transport of nutritional elements across plant cell membranes while reducing levels of toxic elements in the growing medium, so Startboost conditions the medium as much as it feeds the plant. Aptus state that the organic nitrogen provided by L-amino acids promotes robust vegetative growth and photosynthesis without risk of burning or overdose.
Startboost goes in as a root drench or as a foliar spray, and both have their place: a dilute pre-soak for cloning and seed starting medium, a stronger dip for roots at transplant, and a regular addition to the reservoir at every feed through the vegetative phase. It works as a foliar on its own, and Aptus pair it with Fasilitor because mono-silicic acid increases the bioavailability of everything mixed with it. Those same organic compounds are the reason it asks for a little system discipline. In a recirculating system they form biofilm and add to the cleaning load, which is why most growers add Startboost to the reservoir the day before the feed water is replaced, and why it should never be left standing in a reservoir for long. On a fertigation system it is limited to one feed a week, and it is left out of the CLEAN Program altogether when the substrate is rockwool. It suits all species of plants, and flowering and fruiting plants especially, so it is not limited to an indoor crop. If you are working out where to start with the Aptus range, Startboost and Fasilitor are the two foundation products, and Startboost is the one that earns its keep earliest, from the moment a cutting or a seedling puts out its first roots.
NOTE: Do not add Startboost to a Deep Water Culture (DWC) system as a root feed. Products containing organic compounds are not suited to DWC systems; for DWC growers, Startboost is recommended as a foliar spray only.
Organic nitrogen and humic acid that gets roots moving from day one!
Stronger Early Roots
Backs cuttings and seedlings as they establish
Organic Nitrogen Source
Supports vegetative growth and photosynthesis
Root Drench or Foliar
Works in the reservoir or on leaves
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Aptus Startboost
Key Highlights
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Key Highlights
- Contains 6.1% nitrogen, chelated with L-amino acids for high bioavailability
- Built on two natural ingredients: leonardite humic acid and protein hydrolysate
- Humic acid chelates elements already in the medium and supports nutrient uptake
- Supports beneficial bacteria numbers within the growing medium
- Can be applied as a root drench or used on its own as a foliar spray
- Beneficial for propagation and root development of seeds and cuttings
- Suits all species of plants, especially flowering and fruiting plants
Directions for Use
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Directions for Use
Dilution Rate
- Root feed: 0.25 ml - 0.5 ml per 1 L
- Seedlings and clones: 1 ml per 1 L
- Transplant root dip: 10 ml per 1 L
- Foliar spray: 1 ml per 1 L
Application
- Add Startboost to the reservoir at every feeding through the entire vegetative phase and into the first week of flowering.
- Mix well into fresh water along with the rest of the feed, then check pH against the target for that feed.
- For cuttings and seed starts, use the seedling and clone rate as a pre-soak for the cloning or seed starting medium.
- At transplant, dip the roots of the plant directly in the transplant root dip mixture.
- As a foliar, apply at the foliar spray rate; Startboost can be used on its own, or with Fasilitor to increase the bioavailability of everything mixed with it.
- Do not keep Startboost in the reservoir for more than 2 - 3 days, to avoid organic biofilm building up and blocking irrigation drip lines.
- In a recirculating system, add Startboost to the reservoir 1 day before the feed water is replaced.
- In a fertigation system, limit Startboost to one feed per week to keep the system free of biofilm.
- Do not add Startboost when running the CLEAN Program in rockwool.
- Do not add Startboost to a Deep Water Culture system as a root feed; in DWC, use it as a foliar spray only.
Safety
Not classified as a hazardous chemical; no signal word or hazard pictograms are allocated, and none of the ingredients are classified as hazardous.
Keep Startboost in its original container and do not mix it with other chemicals.
Do not store diluted solution, and do not store the product with strong acids.
Resources
Shipping & Returns
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Shipping & Returns
Check delivery options for the currently selected item and quantity.
Estimate is for this item and quantity only. Final whole-order freight is confirmed at checkout.
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at info@hydrooasis.com.au
If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at info@hydrooasis.com.au.
Size: 100 ml
