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15.14. Low tech beplante aquaria

Foto van auteur

Auteur : David Bogert

Gepubliceerd :

Tijd om te lezen :
4 minuten
Difficulty : Level 6

Excerpt :

Discussion of how to set up a low tech planted aquarium.

Probably three-fourths of the planted aquariums are low-tech planted tanks. The genesis of most low-tech planted aquariums is simple. It is a beginner tank that got some beginner plants by accident and the whole thing worked, purely by accident.

A beginner sets up their first aquarium. They put down some aquarium gravel or sand and stick some plants in. They use the LED light that came with the kit they bought. They add a few small fish. They add an airstone and air pump. Some of the plants are terrestrial plants and die. Some of the plants die back, then come back. And some of the plants take off running. And in a year or so they have what I would term a “low-tech” planted aquarium. No CO₂, no fertilizer, no fancy lighting, and it all works. This just points out how flexible and forgiving Mother Nature is.

Low-tech beplant aquarium
Low-tech beplant aquarium

The only “rule” that I’ve seen for this type of tank is to:

ONLY have a FEW SMALL Fish

Another common characteristic of low-tech planted aquariums is that they either have no aeration at all or they have one very weak air stone operating in a larger tank. One reader had a low-tech tank full of Java fern and  Java moss. He added an air stone and immediately the Java moss started dying back. If he had gone longer, his Java fern would have started dying back also. He removed the air stone and the Java moss began growing again.

Low-tech beplant aquarium
Low-tech beplant aquarium

The TYPICAL characteristics of this type of planted aquarium are in this list:

Low tech
PlantenAlleen heel gemakkelijk
Onderste substraatMeestal zand
Afdekkende substraatGeen
VerlichtingMatig 16 uit - 8 aan
BeluchtingLucht stenen
Aantal vissenLicht

The lighting here is moderate in intensity, 16 hours on and 8 hours off. Note this is ONLY a TYPICAL set up. None of these parameters are cast in stone. They can all be changed with success.

Beplant aquarium
Beplant aquarium

The key here is the plants. Some plants just cannot be killed, even by rank amateurs. These plants include Anubias (just don’t put the bulbs INTO the substrate), Amazon Sword (Echinodorus amazonicus), Java Fern (Leptochilus pteropus, synonym Microsorum pteropus), and Java Moss (Taxiphyllum barbieri). Java fern and Java moss are both “epiphytes” and need to be either attached to a surface like a piece of wood or they need a very open substrate like aquarium gravel. If you bury the crown on Java fern in sand it will die.

Here are some plants which are “easy”:

  • Undemanding, rooted
    • *Amazon Swordplant (Echinodorus bleheri and Echinodorus amazonicus)(dies back initially)
    • *Java fern (Leptochilus pteropus, synonym Microsorum pteropus)(like the open substrate or epiphytic)
    • *Anubias barberi forms (likes bulbs to be above the substrate or in an open substrate, very slow)
    • Cryptocoryne (many forms, dies back when planted, then comes back)
    • Bucephalandra (“Buce”, many very attractive brown forms, slow)
    • Cabomba (can be a floater or rooted)
    • Bacopa caroliniana (needs lots of light or becomes “leggy”)
    • Rotala rotundifolia (needs lots of light or becomes “leggy”)
    • Vallisneria (many varieties)
  • Undemanding Carpet Plants, rooted
    • Pygmy Chain Sword (Echinodorus tenellus)
    • Pearlweed (Hemianthus glomeratus)
    • Dwarf Baby Tears (Hemianthus callitrichoides)
  • Undemanding epiphytes which like to be attached to rocks and wood
    • *Java moss (Taxiphyllum barieri)
    • Susswassertang (“round-leaf Pellia“), a slow grower, expensive but worth it, needs to be attached.


Note the speed with which most of these plants grow is dependent largely on the amount of CO₂ in the aquarium. In a low-tech setup with no CO₂ and no soil (adds CO₂) most of these plants will grow very slowly.

Low-tech beplant aquarium
Low-tech beplant aquarium

Then there are floating plants. I do not like the look of floating plants and I do not use them in my decorative aquariums. But many love them. Here are some floating plants that are easy:

  • Fast-growing plants which typically float in the upper layers of an aquarium
    • Elodea (Anacharis), Egeria, and Hydrilla are very similar appearing floating plants
    • Riccia sp.
    • Milfoil (Myriophyllum sp.)(note this plant smells bad!)
    • Water Sprite (Ceratopteris thalictroides, can be emergent)
    • Water Wisteria (Hygrophila difformis, very similar to water sprite)
    • Hornwort (Ceratophyllum demersum)
  • Undemanding emergent plants (“floaters”, they float on the surface of the aquarium water with the leaves exposed to the air)
    • Water Lettuce (Pistia stratiotes)
    • Duckweed (grows so fast some consider it a noxious weed)
    • Salvinia
    • Azolla
    • Amazon Frogbit (Limnobium laevigatum)
Low-tech beplant aquarium
Low-tech beplant aquarium


There are a whole series of small DIY filter designs that will work very well with this type aquarium (low flow deep in the tank) and can be seen at the following article:

8.7.8. Kleine doe-het-zelf filters