Echinodorus Tender "rubra" and "green"
Any amateur fish lover will be pleased to enjoy the soft fluffy carpet of silky grass on the clean lawn of the wonderful variety of Echinodorus “Gentle” growing in its aquarium tank, the taxonomic name is Helanthium tenellum. Its amazingly beautiful delicate leaves, for the shape of which the plant is often called the “dwarf chain sword”, give the impression of delicately crafted lace lace by the craftsmen.
Under natural conditions, Echinodorus of the Gentle variety grows everywhere in warm tropical freshwater bodies of North and South America. Without the use of selection, specialists in hydrobotany determined the characteristics of this species, selected the most ornamental plants, and they went on sale for keeping and breeding amateur fish lovers from different countries in aquariums.
There are two varieties of bush Echinodorus "Gentle", differing primarily in the shape and color of their leaves. One of the varieties of this variety is Ekhinodorus Nezhny with the name "rubra". This variety is narrow-leaved with very decorative dark green leaves 2-3 mm wide. In the middle of the outlet, with good nutrition and lighting, the leaves have a burgundy color up to a light purple hue.
The second variety of “tender” Echinodorus is a broad-leaved variety with bright light green short leaves up to 4 mm wide, which is simply called “tender, green”. This variety of "green" Echinodorus growing to 7-10 cm in height is more common among aquarists and is sold more often. In the broadleaf variety, red pigmentation does not appear and the leaves of the plant remain bright green in any conditions.
All varieties of Echinodorus "Gentle" breed by long runners, on which a new full-fledged outlet is formed over time. When a new shoot and a young rosette take shape, carefully cut them with a sharp knife or scissors and plant them in the prepared soil and another aquarium tank.
Both varieties of Echinodorus Tender and "green" and "rubra" are best used as ground cover varieties for a large aquarium. In small tanks, they can be kept to form emerald green islands at the side walls and in the middle of the composition. These varieties belong to unpretentious underwater plants, therefore, they can be grown even in low light without fertilizers, almost on “bare” sandy soil.
The Rosette of Echinodorus Gentle forms powerful roots as it grows, and responds well to the introduction of nutritious balls from ordinary earth for indoor flowers under the root system of a young plant. With such a nutrient substrate, the period of adaptation of the plant to new conditions will pass faster, it will grow well and throw away runners.
Both varieties of Echinodorus “Tender” and “green” and “rubra” love light, the brighter the lighting in the aquarium, the more decorative and attractive they look, the brighter the “green” or burgundy color of the leaves and they grow denser. The optimal indicator of illumination for this plant will be 0.5 W / l.
The most favorable temperatures for growing “tender” Echinodorus are +180C - +300C. It grows well in water of any hardness and can adapt remarkably to a pH of 6.0 - 8.0. The most common of the Echinodorus varieties is “tender”, due to its decorative properties and miniature size, bright color and ability to grow quickly, it is rightfully one of the favorite varieties for the aquarium.