Schädlings-Frei-Organic
€16,95
For spraying or watering, depending on the authorised use. The method depends on the plant, pest and location.
View product in our shop →Hydroculture Fertiliser
Liquid NPK concentrate for plants grown in hydroculture
With declared trace nutrients.
Determine the subsequent container application separately.
Account for water level and nutrients already present.
Feeding pause from the product’s own hydro instructions.
Use the product’s own hydro instructions together with actual plant needs.
Original hydro instructions (German) Opens in a new window.The instructions here cover the described hydroculture with granules and a water-level indicator. They do not establish a complete recipe for every NFT, DWC or aeroponic system. Water quality, species, nutrient requirements and technical operation need to be matched separately.
Label preparation: 5 ml concentrate per 1.5 litres of water. This describes preparation of the fertiliser mixture, not a universal concentration for every filled hydro container.
The product’s own hydroculture leaflet describes a container with a water-level indicator: for the first application, add plain water to the middle mark, then fill the remaining space to the maximum mark with the prepared mixture. Actual component volumes depend on the container. Do not fill the entire reservoir indiscriminately with concentrate or full-strength prepared mixture.
When water is needed again, the leaflet divides the refill volume as follows: light feeders, ⅔ water + ⅓ prepared fertiliser mixture; moderate feeders, ½ of each; heavy feeders, ⅓ water + ⅔ prepared fertiliser mixture. Select the category for the particular plant. These fractions refer to the mixture already prepared with 5 ml per 1.5 litres of water, never to the concentrate.
Do not feed during dormancy. After repotting or conversion to hydroculture, the product’s own leaflet specifies at least two weeks without fertiliser. Adjust subsequent care to growth, root condition and nutrients already available.
Label preparation: 5 ml concentrate per 1.5 litres of water. This describes preparation of the fertiliser mixture, not a universal concentration for every filled hydro container.
When water is needed again, the leaflet divides the refill volume as follows: light feeders, ⅔ water + ⅓ prepared fertiliser mixture; moderate feeders, ½ of each; heavy feeders, ⅓ water + ⅔ prepared fertiliser mixture. Select the category for the particular plant. These fractions refer to the mixture already prepared with 5 ml per 1.5 litres of water, never to the concentrate.
Do not feed during dormancy. After repotting or conversion to hydroculture, the product’s own leaflet specifies at least two weeks without fertiliser. Adjust subsequent care to growth, root condition and nutrients already available.
Please follow the product-specific information on the label and in the full description.
The general information sheet describes liquid fertilizer concentrates. Ready-to-use and solid fertilizers have their own application instructions on the product label.
View the complete original hydro instructions Opens in a new window.
The instructions here cover the described hydroculture with granules and a water-level indicator. They do not establish a complete recipe for every NFT, DWC or aeroponic system. Water quality, species, nutrient requirements and technical operation need to be matched separately.
Product pH: 6.9. This describes the concentrate. Calcium and magnesium contents are not specified in this declaration; no complete recipe for arbitrary source water is inferred.
Using products as part of the same care routine is different from mixing them in one container. Follow the labels and application instructions of all products involved.
The recommendations cover products for different care tasks. Combining them in the same solution requires the instructions for both products to allow that combination. Otherwise, apply the products separately.
Selected additions for your plant care.
Crushed expanded clay 4–8 mm for suitable soil-independent indoor cultures. Match particle size to container openings; manage water level and nutrients separately.

PRODUCT KNOWLEDGE

The photograph shows the product’s own crushed expanded clay. It is a possible companion for a suitable granular growing system. Water level and nutrients are managed separately from the bulk volume of material.
Granules support the roots while water and nutrients are added deliberately. First dilute this hydroculture fertiliser with water. The amount of prepared mixture added to the container then depends on the plant, water already present and the product’s own hydroculture instructions.
The instructions here cover the described hydroculture with granules and a water-level indicator. They do not establish a complete recipe for every NFT, DWC or aeroponic system. Water quality, species, nutrient requirements and technical operation need to be matched separately.

Label preparation: 5 ml concentrate per 1.5 litres of water. This describes preparation of the fertiliser mixture, not a universal concentration for every filled hydro container.
Use clean measuring equipment and check the container’s water-level indicator. Account for residual nutrients or other residues; do not mix different concentrates without confirming compatibility.
The product label specifies 5 ml per 1.5 litres of water. For example, measure 10 ml for 3 litres of water. This is the prepared mixture; the subsequent container dose is determined separately.
Put part of the intended water volume into a clean container. The label prefers low-lime water or rainwater at 15–25 °C. Water quality must also suit the crop.
Shake the bottle well and measure the required concentrate accurately. The checked front labels define one cap as 5 ml. Never put concentrate directly onto roots or leaves.
Add concentrate to the water, mix, and add the remainder of the intended water volume. Clearly identify the prepared mixture and use it promptly.
Distinguish the first application from later refills using the hydroculture instructions. Its fractions refer to this prepared mixture, not concentrate. Account for plant demand, fill level and the feeding pause after moving plants.
For later water refills, the proportion of prepared mixture varies with plant demand. The complete proportions appear under “Application & prepared mixture” in the product information. Check water level and growing conditions before each new application.

The instructions here cover the described hydroculture with granules and a water-level indicator. They do not establish a complete recipe for every NFT, DWC or aeroponic system. Water quality, species, nutrient requirements and technical operation need to be matched separately.
The product’s own hydroculture leaflet describes a container with a water-level indicator: for the first application, add plain water to the middle mark, then fill the remaining space to the maximum mark with the prepared mixture. Actual component volumes depend on the container. Do not fill the entire reservoir indiscriminately with concentrate or full-strength prepared mixture.
The label permits spraying foliage. First check species, leaf surfaces and conditions; avoid open flowers. This is not a second full nutrient supply in addition to existing root feeds.
Yellow leaves, soft roots or weak growth have several possible causes. Check water level, roots, light and previous nutrition before adding more fertiliser. This product is not a treatment for plant disease.
The plant species, photographs and details of location, moisture and previous care help assess plant damage. Identify the cause and a suitable application before treatment.
More fertiliser is not a general solution to growing problems. A recommendation to buy products together does not confirm that they can be mixed.
Hydroculture describes how a plant is grown. It does not replace the botanical species or its needs. Granules in a closed container and technically aerated or circulating systems are not the same application.
Even without soil, the plant determines light and temperature needs. Position the container securely and avoid unnecessary heating of the roots. Extra fertiliser cannot compensate for insufficient light or an unsuitable position.
Observe the water-level indicator and actual demand. Do not refill solely by the calendar or keep the entire root system permanently submerged. Existing water and nutrients count towards every further application.
A plant already grown in hydroculture needs gentle root handling and a suitable new container volume when moved. Converting a soil-grown plant is a separate intervention. Check species and root condition; then follow the leaflet’s minimum two-week feeding pause.
Remove dead plant material and clean leaf surfaces gently when necessary. Pruning and pinching depend on species and growth habit; there is no single pruning rule for every hydroculture plant.
A warm, lit crop may develop differently from a cool houseplant in winter. Actual growth and species-specific dormancy determine nutrition. The source does not establish one unambiguous refill schedule for every container.
Use 5 ml per 1.5 litres of water, or 10 ml for 3 litres of water. This calculation applies only to the prepared mixture. Adding it to the hydro container then follows the product’s own hydroculture instructions and plant needs.
When water is needed again, the leaflet divides the refill volume as follows: light feeders, ⅔ water + ⅓ prepared fertiliser mixture; moderate feeders, ½ of each; heavy feeders, ⅓ water + ⅔ prepared fertiliser mixture. Select the category for the particular plant. These fractions refer to the mixture already prepared with 5 ml per 1.5 litres of water, never to the concentrate.
The instructions here cover the described hydroculture with granules and a water-level indicator. They do not establish a complete recipe for every NFT, DWC or aeroponic system. Water quality, species, nutrient requirements and technical operation need to be matched separately.
Yes. The 1 litre bottle carries the same nutrient declaration and prepared-mixture rate as the 250 ml size. The twin pack contains two individually closed 250 ml bottles. Choose the size for your actual needs.
Do not feed during dormancy. After repotting or conversion to hydroculture, the product’s own leaflet specifies at least two weeks without fertiliser. Adjust subsequent care to growth, root condition and nutrients already available.
No. The declared pH of 6.9 describes the concentrate. It guarantees neither the pH in the hydro container nor one shared EC target. Leaf and root care still depend on species and conditions.
SDS – Safety data sheet available on request.
Do not feed during dormancy. After repotting or conversion to hydroculture, the product’s own leaflet specifies at least two weeks without fertiliser. Adjust subsequent care to growth, root condition and nutrients already available.
Dry and dark, above 8 °C to no more than 38 °C
Store in a dry, dark place above 8 °C and no higher than 38 °C. Keep out of reach of children and animals.
GREEN24 GmbH
Am Neggenborn 125
44892 Bochum, Germany
info@green24.de
www.green24.de