Phytoplankton Biostimulant For Plants and Soil
Bring Tired Soil Back to Life: Live Biostimulant for Houseplants, Gardens and Growers
Hydralife is the live, ready-to-pour biostimulant for your entire houseplant collection, germinations, plant grows, roses, raised beds, and small gardens. Built for the depleted potting soil that synthetic fertilizer can't fix. A living liquid microalgae formula that revives the soil microbiome, the fungi, bacteria, and earthworm ecosystem that living plants actually depend on. Ships in breather bags. No mixing, no measuring. Just shake and pour as you would a regular watering. Use upon receiving for the highest cell activity and refridgerate what you do not use. Simple and effective
The silent reason your houseplants stop thriving
Healthy soil is alive. It's a complex ecosystem of bacteria, mycorrhizal fungi, protozoa, and earthworms, all working together to break down organic matter, cycle nutrients, and feed plant roots. When you put a plant in a pot, the soil starts with very little of that biology to begin with. Over months and years, what little there is dies off. The soil becomes inert.
The plant survives but stops thriving, leaves get smaller, new growth slows, watering intervals become inconsistent. Roses stop blooming like they used to. Your raised beds produce less every year. Synthetic fertilizer treats the symptom but not the cause. The root cause is missing living soil biology.
Hydralife is a living microalgae biostimulant that feeds that missing biology directly. The exopolysaccharides our cells continuously secrete are the preferred food source for beneficial soil bacteria and mycorrhizal fungi. As the microbiome rebuilds, earthworms and other soil animals follow. The phytohormones in the live cells work on the plant directly, supporting leaf and root recovery while the living soil rebuilds underneath.
What can phytoplankton do for my plants?
Short answer: stronger roots, better tolerance of drought and heat, more efficient use of the nutrients already in the soil, and healthier growth above ground because the biology underneath has been rebuilt. Here is what is actually happening.
Stronger roots
Auxins and cytokinins secreted by living microalgae drive root elongation and lateral branching. A bigger root system pulls more water and more nutrients out of the same soil.
Richer green leaves
Healthier roots and a working soil microbiome show up first in the leaves. Growth that had slowed picks back up, and new leaves come in fuller and darker than the ones before them.
Faster germination
Seedlings are where soil biology matters most and where there is least of it. One grower running it outdoors on seed starts reported full germination across his tray, with the seedlings visibly ahead at two weeks.
Stress resilience
Abscisic acid, free amino acids and osmolyte precursors help plants hold water through drought and keep photosynthesis running in heat.
Living soil restoration
Exopolysaccharides feed beneficial bacteria, mycorrhizal fungi and the wider soil food web, down to the earthworms that break down organic matter. This is what restores microbial activity in aged, depleted or over-fertilized soil.
Reduced transplant shock
Phytohormone input at the moment of transplant steadies the root system and shortens the stall before new growth resumes.
More from the same plant
Better roots, better water use and living soil compound through the season. Growers see it as more leaves, more flowers and more fruit from plants that were previously just holding on.
How is this different from a seaweed or kelp biostimulant?
Seaweed extracts are the most common biostimulant on the consumer market. They are real, they work, and they have structural limitations that live freshwater phytoplankton does not share.
Source: seaweed extract is harvested from the ocean with variable quality. Hydralife is cultivated in controlled photobioreactors, same species, same density, same profile in every bottle.
State when applied: seaweed arrives dried, extracted, and dead. Hydralife arrives alive, active, and actively secreting.
Phytohormone delivery: a seaweed dose is one-time. Living cells keep secreting for hours to days in the soil.
Exopolysaccharides: largely destroyed in seaweed processing. Fully intact in Hydralife, where they feed soil microbes.
Living soil microbiome effect: minimal from extracts. Hydralife is a direct feed for beneficial bacteria and fungi.
How do I use this product?
Shake
Swirl the breather bag or shake the jug gently to mix the living cells through the liquid. Living cultures settle between uses.
Pour
Pour onto the soil at the base of the plant, the same way you would water it. A small cup for a houseplant. For raised beds, work it into your normal watering.
Repeat every two to four weeks.
Safe for edible plants at every stage, up to and including harvest. Use on arrival for the highest cell activity.
For every plant you grow
Houseplants are the lead use case, especially if you own a lot of them and some have been in the same pot for a year or longer. It does its best work anywhere soil volume is limited and biology is the difference between a plant that survives and a plant that thrives.
Houseplants
Pothos, monstera, snake plants, fiddle leaf fig, philodendron, calathea, peace lily, ZZ plants, ferns and orchids all respond. Bring tired potting soil back to life and watch a sluggish plant restart growth. For orchids, African violets and other moisture-sensitive plants, use a diluted foliar spray rather than a soil drench.
Roses and flowering plants
Roses are heavy feeders in soil that tires fast. Rebuilding the biology underneath supports stronger canes and more consistent blooming without stacking on more synthetic fertilizer.
Raised beds and small gardens
Raised beds lose biology faster than open ground, because the soil volume is small and nothing replenishes it. Integrate with your normal watering through the season.
Seed starting and young plants
Seedlings are deciding how big a root system to build. Growers starting from seed use it at germination and through the first few weeks.
Buy Hydralife's Phytoplankton Biostimulant for Plants and Soil
Two sizes with the same dense phytoplankton inside: 64 ounces or 1 gallon jugs.
Cultivated in Denver, shipped direct to you.
Two sizes with the same dense phytoplankton inside: 64 ounces or 1 gallon jugs.
Cultivated in Denver, shipped direct to you.
2 x 32 oz breather bags, $49.99. Breather bags keep the cells aerated in transit. Use on arrival for best results.
1 gallon jug, $99.99. A good supply for a committed grower.
Frequently asked questions about phytoplankton biostimulant
Everything growers ask before their first order. Do not see your question? Email service@hydralifesolutions.com or call (303) 219-0623.
Is phytoplankton biostimulant safe for vegetables I will eat?
Yes. It is a pure freshwater microalgae suspension with no synthetic inputs, no pesticides, and no chemical additives. It is safe for all edible plants at every stage of growth, up to and including harvest.
Will phytoplankton biostimulant work on orchids and sensitive houseplants?
Yes. Orchids, African violets, and other moisture-sensitive plants respond well. Pour a small amount onto the soil at the base of the plant the same way you would water it, and go lighter than you would on a thirsty plant in a large pot. The living cells and the nutrients in the medium do the work; there is nothing to mix or measure.
When should I start using my biostimulant?
Use it as soon as it arrives. Living phytoplankton is biologically strongest in the first few days after harvest, so the fastest results come from applying right after the bags or jug reach your door. If you cannot apply immediately, refrigerate. Shake gently before each use. Do not freeze
Can I use phytoplankton biostimulant alongside my regular fertilizer?
Yes. A biostimulant complements synthetic and organic fertilizers, it does not replace them. Fertilizer supplies nutrients. The biostimulant helps the plant and the soil biology take up and use the nutrients that are already there. Apply them on different days for best results.
What does phytoplankton biostimulant smell like?
A mild, ocean-like aroma characteristic of living microalgae, similar to a clean freshwater pond. It is not unpleasant and it dissipates after application.
What happens if I apply too much phytoplankton biostimulant?
It is self-limiting. Excess cells are consumed by soil microbes and mineralize into organic matter. There is no toxicity risk at normal application amounts, which is one of the practical advantages of a living biostimulant over a synthetic input.
Do you ship live phytoplankton biostimulant in winter?
Yes. We ship year-round with insulated packaging and, when the forecast calls for it, cold-weather pack-outs to protect the living culture in transit. We ship Monday through Thursday so nothing sits over a weekend.
Will phytoplankton biostimulant work in hydroponics?
Yes. Add it to your reservoir. The living cells survive in oxygenated water and continue supplying phytohormones and amino acids to the root zone between nutrient changes. Start light and observe how your system responds before increasing.
What is the difference between the biostimulant and greenwater?
Both come from the same freshwater phytoplankton cultures grown in Denver. The biostimulant is formulated and priced for horticultural use in soil, pots, and gardens. Greenwater is formulated for aquarists and zooplankton culturists feeding daphnia, moina, copepods, and fish fry. Different audiences, same underlying culture. If you are feeding a culture rather than a plant, see the greenwater page.