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Plagron Start Up 1l
The Plagron Start Up in 1-liter volume format is the standard choice for growers running multiple cycles annually or working with higher plant counts. Compared to the 100 ml trial-size format, this bottle delivers ten times the nutrient solution — approximately 140 liters of ready-to-apply feeding per bottle, equivalent to 4-6 complete grow cycles. One product consolidating root stimulator, natural growth hormones, vitality booster, and base nutrition into a single bottle, eliminating the supplement juggling typical of the first critical weeks. Fully organic formulation (NPK 3-1-3) from hydrolyzed proteins, beet vinasse, algae extract, and humic acids. Dosage 7 ml per liter water, applied weekly through the starter phase of young plant development.
Plagron Start Up 1 Liter — Volume Format for Multi-Cycle Production and Regular Growing
The Plagron Start Up 1-liter bottle represents the standard volume tier for growers beyond the evaluation phase. Compared to the 100 ml trial format, this version delivers ten times the active product — approximately 140 liters of ready-to-apply nutrient solution per bottle at the recommended 7 ml per liter dosage. Equivalent to 4-6 complete cultivation cycles or a full season for mid-scale installations. The rational choice once Plagron methodology has been validated and the grower is ready to integrate the full Plagron product range into their cultivation practice.
Volume Economics and Cost Per Application
Per milliliter of active product, the 1-liter bottle delivers measurably lower unit cost than the 100 ml trial format — typical savings are 40-55% per ml. For a hobbyist running 3 or more cycles annually (spring, summer, winter timing for example), the differential compounds significantly within the first year of use. Additionally, volume format eliminates the critical-moment risk of running out mid-cycle during an unplanned expansion, additional cutting batch, or grow room size increase. For growers maintaining mother plants through the year for continuous cutting production, a 1-liter bottle consumes at a pace that aligns with typical organic nutrient shelf life.
- 1 liter capacity: supports ~140 liters of nutrient solution — equivalent to 4-6 complete grow cycles at typical hobbyist dosing.
- Identical 4-in-1 formulation: root stimulator + natural growth hormones + vitality booster + base nutrition, unchanged from the trial format.
- NPK 3-1-3 organic: sourced exclusively from hydrolyzed proteins, beet vinasse, algae extract, and humic acids.
- 1:150 dosage (7 ml per liter): linear predictable consumption across the full bottle volume.
- Extended shelf life: 2-3 years unopened, 12-18 months after opening with proper storage conditions.
Application Protocol and Cycle Integration
Shake the bottle vigorously before each use to fully homogenize organic components. For seedlings: begin application when the first pair of true leaves emerges (not cotyledons). For cuttings: commence once white roots are visible emerging from the propagation substrate. Apply Start Up weekly through weeks 1-4 of growth, then transition to dedicated vegetative nutrients like Plagron Terra Grow 1L or Plagron Alga Grow 1L. No supplemental root stimulator or vitality booster is needed during the Start Up phase — the formulation incorporates both at validated ratios.
Target Grower Profile for the 1-Liter Format
The 1-liter format suits regular hobbyist growers (3+ cycles per year minimum), mother-plant operators taking periodic cuttings, and small semi-commercial operations continuously processing young plants. For single-season occasional cultivators, the 100 ml format remains economically defensible — a 1-liter bottle typically exceeds shelf life before depletion under sporadic use patterns. For large-scale installations processing dozens to hundreds of young plants simultaneously, 5L and 10L formats are available on request through the broader Plagron catalog. The 1L represents the optimal balance point for the majority of growers positioning as serious hobbyists.
Order your Plagron Start Up 1 liter from Plant and Flower today and benefit from fast shipping across Belgium. The volume format chosen by Belgian growers who have structurally integrated Plagron into their annual cultivation planning.
How many total plants can 1 liter support through the starter phase?
Assuming approximately 250 ml of nutrient solution per plant per weekly feeding across 4 weeks, each plant consumes roughly 1 liter of solution total during the starter phase — which requires 7 ml of concentrate per plant. A 1-liter bottle therefore supports approximately 140 plants through full 4-week starter cycles. For a typical 5-10 plant hobbyist cycle, this translates to 14-28 complete grow cycles per bottle — substantially exceeding what most non-commercial growers need within the product's 18-month opened shelf life.
Is filtration required for drip irrigation applications?
For drip systems with fine emitters (below 1 mm aperture), an upstream 200-micron filter prevents clogging from the minor organic particulates present in biological nutrient solutions. Start Up is less particulate-dense than some heavier organic fertilizers but accumulated residue over months can obstruct fine-pitch emitters. For high-flow systems, flood-and-drain tables, or manual watering, no particular filtration is needed. Flush lines with clean water after each application cycle to prevent biofilm accumulation within irrigation tubing.
Does Plagron Start Up work with reverse osmosis or rainwater?
Yes, and this combination actually represents best practice for precise nutrient management. Hard tap water common in much of Belgium introduces calcium, magnesium, and other minerals that shift the effective NPK ratio delivered to plants. RO or rainwater establishes a clean baseline — starting from essentially zero mineral content — where the Start Up formulation's designed ratios reach plants without modification. Add CalMag supplementation to RO water since the purified water lacks the calcium and magnesium young plants still require.
Can the nutrient solution be pre-mixed and stored for a week?
No. Diluted Start Up solution is stable approximately 24 hours after mixing; beyond that window, organic components begin fermentation that degrades efficacy and creates conditions favorable to unwanted microbial growth. Batch-mix only what you plan to apply within 24 hours. For irrigation timing consistency, prepare fresh solution on feeding days rather than attempting to pre-prepare weekly batches. The undiluted concentrate in the original bottle remains stable for 12-18 months after opening — dilution is the trigger for rapid degradation.
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