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The art of stimulating growth.

"A revolutionary, complete approach
to enhance substrate function and root health"

We look at The Bigger Picture in Plant Growth & Health

Optimal plant growth and health depends on several factors working successfully together. This may seem obvious, yet many current plant growth products will still focus on one singular factor, such as good plant nutrition, but not consider others. If other essential growth factors are not lined up these products will simply not be successful, as growth is a complicated process involving several elements.
Compare this to a classic bottleneck scenario: you are basically as strong as your weakest link. In simple growing terms: without water and oxygen plants simply won’t grow, even if nutrients are plentiful.

We at Beklu Netherlands have spent many years researching a consolidated, functional approach to plant growth & health by studying the three main factors involved: Oxygen, Water and Nutrition availability, and the inevitable link between these. Making Oxygen, Water and Nutrients readily and continuously available to plants in a functional way, make our products unique in today’s saturated growing & gardening market.

The development of Beklu’s Altimer-kernel marked the beginning of a new approach to plant wellbeing.
Without going into technical details: Altimer kernels are present in all our products and play an essential part in plant health by promoting Oxygen availability to plant roots, as well providing Water to plants in a continuous, regulated fashion.

Constant Oxygen Availability

The Altimer kernels increase in volume when storing water, mechanically ‘opening up’ the general soil structure and allowing micro-air pockets to form which allow for excellent root aeration. Their unique maximum limit water retention capacity avoids over-expansion and destabilization of soil structure, therefore preventing mechanical root damage/uprooting/toppling of plants etc.

> Advantages

  • Creates a constant 100% oxygen balance.
  • Optimal Root Aeration.
  • Promotes Soil Stability.
  • Inhibits soil settling & compacting thus preventing mechanical stress on roots and plant uprooting/toppling.

Continuous Water Supply

The Altimer Kernels controllably store exact quantities of water, allowing plants to readily extract this water when the plants requires hydration. The Altimer kernels work efficiently for extended periods of time, therefore reducing water waste through evaporation loss, as well as avoiding water stress situations for the plant.
The kernels remain active and fully functional for a minimum of two years.

> Advantages

  • Controlled storage of excess water, making it available for plants for a long period of time.
  • Reduces evaporation and water waste considerably.
  • Up to 50% savings on water use.
  • Eliminates Water Stress: improving root and general plant health.

Optimal Nutrition Intake

Understanding that Nutrition plays a key role in plant health next to Water and Oxygen availability, we have succeeded in developing two very efficient nutrition systems, Fixed Source Nutrition, and Liquid Core Nutrition.

Fixed Source Nutrition

Fixed Source Nutrition is a long-lasting ‘Intelligent Food Source’ nutrition system, consisting of 4 different specific nutrition pellets. Each pellet is equipped with a unique timing-release mechanism, and carries specific nutrition for each growth phase of the plant.

Liquid Core Nutrition

Liquid Core Nutrition uses a highly concentrated liquid nutrition within the Altimere core, which is activated by water absorption. The nutrition is readily available to plant roots (attracted to the kernel through hydro-tropism). A highly efficient Nutrition system.

Our products

The best products for the best growth


Root Balance
OptiSoil ®
Suitable for in- and outdoor use Product weight: 500 grams
Soil Conditioner
  • Provides a constant 100% Oxygen and Water balance.
  • Optimal Root Aeration.
  • Promotes Soil Stability.
  • Inhibits soil settling & compacting.
  • Controlled storage of excess water, making it available for plants for a long period of time.
  • Eliminates Water Stress: improving root and general plant health.
  • Reduces evaporation and water waste considerably. Altimer technology has achieved up to 50% savings on water use.
Root Stimulator
OptiFix ®
Suitable for outdoor use Product weight: 1900 grams
Soil Conditioner
  • Provides a constant 100% Oxygen and Water balance.
  • Optimal Root Aeration.
  • Promotes Soil Stability.
  • Inhibits soil settling & compacting.
  • Controlled storage of excess water, making it available for plants for a long period of time.
  • Eliminates Water Stress: improving root and general plant health.
  • Reduces evaporation and water waste considerably. Altimer technology has achieved up to 50% savings on water use.
  • Long-lasting Fixed Source nutrition provides nutrition for 8 months.
  • Uses growth phase specific nutrition (time-activated), from seedling (root development) right to bloom (fruit development).
Long Lasting Nutrition
OptiCore ®
Suitable for in- and outdoor use Product weight: 850 grams
Soil Conditioner
  • Provides a constant 100% Oxygen and Water balance.
  • Optimal Root Aeration.
  • Promotes Soil Stability.
  • Inhibits soil settling & compacting.
  • Controlled storage of excess water, making it available for plants for a long period of time.
  • Eliminates Water Stress: improving root and general plant health.
  • Reduces evaporation and water waste considerably. Altimer technology has achieved up to 50% savings on water use.
  • Contains a highly-concentrated Liquid Core Nutrition within the Altimer Kernel.
  • Very efficient 'power-feeding' nutrition mechanism using the roots natural tendency to 'look' for water (hydro-tropism).
  • Nutrition for 9-12 weeks - ideal for indoor growing.
Organic Bloom-Booster
OptiCore Bio48 ®
Suitable for in- and outdoor use Product weight: 850 grams
Organic Soil Conditioner
  • Provides a constant 100% Oxygen and Water balance.
  • Optimal Root Aeration.
  • Promotes Soil Stability.
  • Inhibits soil settling & compacting.
  • Controlled storage of excess water, making it available for plants for a long period of time.
  • Eliminates Water Stress: improving root and general plant health.
  • Reduces evaporation and water waste considerably. Altimer technology has achieved up to 50% savings on water use.
  • Contains a highly-concentrated BIOLOGICAL Liquid Core Nutrition within the Altimer Kernel.
  • Very efficient 'power-feeding' nutrition mechanism using the roots natural tendency to 'look' for water (hydro-tropism).
  • Boosts the immune system of plants.
  • Recommendable for plants growing under unstable, sensitive conditions or undergoing recovery.
  • Nutrition for 9-12 weeks - ideal for indoor growing.
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