10 Best Aquarium Soil Substrate

Updated on: June 2021

Best Aquarium Soil Substrate in 2021


CaribSea Eco-Complete 20-Pound Planted Aquarium, Black

CaribSea Eco-Complete 20-Pound Planted Aquarium, Black
BESTSELLER NO. 1 in 2021

Fluval Plant and Shrimp Stratum, 4.4-Pound

Fluval Plant and Shrimp Stratum, 4.4-Pound
BESTSELLER NO. 2 in 2021
  • Mineral rich volcanic soil
  • Stimulates strong plant growth
  • Promotes neutral to mildly acidic pH
  • Suitable for plants or shrimp
  • 4.4 Pound bag

Flourite Dark, 7 kg / 15.4 lbs

Flourite Dark, 7 kg / 15.4 lbs
BESTSELLER NO. 3 in 2021
  • The premium substrate for the Planted Aquarium
  • Specially fracted, stable porous clay gravel for the natural planted aquarium
  • Its appearance is best suited to planted aquaria, but may be used in any aquarium environment
  • Never needs replacement and remains effective for the life of the Aquarium
  • Not chemically coated or treated and will not alter the pH of the water

Landen Aqua Soil Black - Normal 5L

Landen Aqua Soil Black - Normal 5L
BESTSELLER NO. 4 in 2021
  • Ideal substrate for most aquatic plants, provides healthy plant root system and for shrimps requiring softer water
  • Developed for cultivation of aquatics plants and is also suitable substrate for shrimps. It provides fundamental minerals and trace elements, which promote the health and growth of shrimps.
  • Made from specially processed natural material from the earth
  • Soil does not require rinsing and can be used directly in aquarium.
  • Black Color, Normal 3-5mm grain size, Volume 5L Per Bag, Approximate weight 10 lbs (1 Bag 5L)

Seachem Flourite Black Clay Gravel - Stable Porous Natural Planted Aquarium Substrate 15.4 lbs

Seachem Flourite Black Clay Gravel - Stable Porous Natural Planted Aquarium Substrate 15.4 lbs
BESTSELLER NO. 5 in 2021
  • GRAVEL: Seachem Flourite Black is a specially fracted stable porous clay gravel for the natural planted aquarium. Its appearance is best suited to planted aquaria, but may be used in any freshwater aquarium environment.
  • AQUARIUM BED: Gravel modifiers such as laterite are not necessary when using Seachem Flourite Black as this product is most effective when used alone as an integral substrate bed, but it may be mixed with other gravels.
  • SET-UP: When adding water to the aquarium, fill slowly to avoid disturbing Flourite Black substrate bed. Place a bowl in the aquarium and add water directly to the bowl, allowing water to overflow softly on to the gravel bed. Initial cloudiness is normal, but to remove this simply use mechanical filtration
  • COMPATIBLE: Flourite Black substrates will work fine with an under gravel filter and will not soften or decompose to an unsuitable state within your tank.
  • SAFETY: Seachem Flourite Black is not chemically coated or treated, thus does not alter the pH of the water. Flourite Black is beneficial for the life of the aquarium and need not be replaced.

Flourite, 7 kg / 15.4 lbs

Flourite, 7 kg / 15.4 lbs
BESTSELLER NO. 6 in 2021
  • Rinse right in the bag
  • All natural Porous clay
  • For Planted Aquarium

Mr. Aqua N-MAR-066 1 L Fine Pet Habitat Water Plant Soil

Mr. Aqua N-MAR-066 1 L Fine Pet Habitat Water Plant Soil
BESTSELLER NO. 7 in 2021
  • Composed of organic and inert ingredients providing all essential elements
  • Long lasting fertilized plant substrate lasting up to 12-18 months
  • Prolongs water exchange periods
  • One bag Covers approximately 12" x 6" at 1" deep or 6" x 6" at 2" deep.
  • Black in Color

Hewnda 2 pounds to Complete Freshwater Planted Aquarium Substrate

Hewnda 2 pounds to Complete Freshwater Planted Aquarium Substrate
BESTSELLER NO. 8 in 2021
  • The high-level substrate for planting aquariums provides basic nutrition for the plant root structure for long-term successful planting of freshwater aquariums
  • Compared with sand and other sand, more suitable for the growth of most grass roots. Formulated for freshwater planted aquariums, tropical fish, and freshwater dwarf shrimp.
  • Helps clarify and detoxify water. PH value: 7.5. You can adjust the water quality is more suitable for the growth of aquatic plants ideal range.
  • There is no need to wash, please use the original state, if washed with water will lead to muddy mud.
  • Note: This product is aquatic breeding purposes, absolutely not edible; Please store this product properly children can not reach the place, to avoid children eating.

ADA Aqua Soil Amazonia (3 Liter) Normal Type

ADA Aqua Soil Amazonia (3 Liter) Normal Type
BESTSELLER NO. 9 in 2021
  • Completely new substrate made from rare and sparse source of Japanese plant-based black soil derived from decomposed leaf mulch. (unlike imitation products that are made from volcanic ash-based black soil).
  • Rich in organic elements and nutrients that creates conditions ideal for healthy growth of aquatic plants and has a good influence on the physiological functions of fish and shrimp.
  • Helps to bring the pH level and hardness of the water down to an ideal level for most of the aquatic plants.
  • Composed of granules of size and density ideal for the fast development of healthy plant root systems. Granules have a natural irregular shape that produces a natural look.
  • Contains high levels of natural humic acid that may or may not cause some initial water cloudiness depending on your local water chemistry. Water cloudiness will go away with proper maintenance and water changes. Therefore, this product is recommended for advanced hobbyist seeking to make a fully planted aquarium. For beginners, we recommend the easier to handle Aqua soil Amazonia Light.

U.P. Aqua Shrimp Sand

U.P. Aqua Shrimp Sand
BESTSELLER NO. 10 in 2021
  • Small uniform grain sizes
  • Contains trace minerals vital for shrimps
  • Easy to maintain, great for breeding
  • The Package Weight Of The Product Is 4.4 Pounds

How Various Environmental Conditions Change the Catalytic Capacity of Biological Enzymes

This article describes how temperature and substrate concentration changes the reaction velocity of chemical reactions catalyzed by enzymes.

Enzymes can also be set to function by lowering the activation energy of the chemical reaction since enzymes accelerate reactions by decreasing ?G, which is the free energy of activation. The rate of the reaction is generally proportional to the concentration of the substrate, when all other things are kept constant.
The catalytic power of enzymes comes from the fact that they bring substrates together in a favorable orientation, which helps to promote the formation of the transition states in enzyme - substrate (ES) complexes.

Generally with internal catalyzed reactions, as substrate concentration increases, the rate of the reaction increases since more substrate molecules collide with enzyme molecules and hence more reactions take place.

At higher concentrations of substrate, the enzyme molecules become saturated so that there are only a few free enzyme molecules. Technically what type ends when the amount of enzyme is kept constant and the concentration of the substrate is increased, the reaction velocity will increase up to a maximum point. After this point any increase in substrate concentration will no longer increase the reaction velocity or rate.

Most enzymes generally have an optimum temperature at which they work best. For most mammalian enzymes, this temperature is around 40° C though most enzymes generally work at different temperatures depending on where they are found and their specific role. The rates of enzyme catalyzed reactions generally increases gradually up to their optimum temperature, the rate increase is due to the fact that the enzyme and some should molecules gain kinetic energy due to the increasing temperature so random collisions occur more often (random collisions are the cause of all chemical reactions).

Above the optimum temperature the rate of the reaction decreases due to the fact that the enzyme molecules become denatured. This denaturation disrupts the three-dimensional structure of the enzyme protein and causes it to loose function. The thermal energy from the increasing temperature causes the bonds holding the secondary and tertiary structures of the protein to be broken. The active site of the enzyme also loses its shape and that such substrates can no longer bind to the active site, and hence reaction velocity decreases.

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