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Dymax Base Soil Planted Tank Substrate, 3L (OPEN BOX)
SKU: OB-DM-BSOIL3
- The Dymax Base Soil 3L is a nutrient-rich granular substrate designed for freshwater planted aquariums.
- It covers small to mid-size planted tanks and provides enough volume for a full substrate layer in most builds.
- Natural nutrients and trace elements feed root-feeding plants from below, supporting healthy growth.
- At 3L, it is enough to complete most small to mid-size builds in a single bag without leftover soil to store.
Dymax
Dymax is a Singapore-based aquatic brand with over 23 years of expertise in designing and manufacturing aquariums, filters, aquatic foods, and other fishkeeping products.
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Open box: new, inspected, ready to use
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FREE Shipping on orders over $75.00
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Backed by a 90-Day Warranty
Nutrient Substrate for Small to Mid-Size Planted Tank Builds
The Dymax Base Soil 3L is a granular planted tank substrate that delivers natural nutrients and trace elements directly to plant roots. Unlike inert gravel and sand, Base Soil is an active substrate, releasing nutrients into the root zone to support stem plants, rosette plants, and other root feeders without depending entirely on water column fertilization. The 3L bag is the mid-size option in the Dymax Base Soil range and covers most small to mid-size tank builds in a single purchase.
The granule structure allows water to pass through the substrate bed rather than compacting, which encourages beneficial bacteria to establish throughout the soil layer. Dymax states the granules hold their shape and density underwater without breaking down, so the substrate stays stable and will not cloud the water over time.
Key Features:
- Nutrient-active granular substrate formulated for freshwater planted aquariums
- Contains natural nutrients and trace elements to feed root-feeding plants at the root zone
- Stabilizes pH to a range suitable for most tropical freshwater fish and shrimp
- Granule structure allows water flow through the substrate, supporting beneficial bacteria colonization
- Granules hold shape and density underwater without breaking down or clouding
- Does not cloud the water on initial fill
- Designed to enhance root development for stem plants, rosette plants, and root feeders
Ideal For:
- Small to mid-size planted tanks in the 10 to 20 gallon range running a soil-forward aquascape with root-feeding plants
- Hobbyists building a new planted tank who want a full nutrient substrate without the volume commitment of a 9L bag
- Nature aquarium and Dutch style builds where dense planting requires consistent root-zone nutrition throughout the substrate
Pro Tips:
- Cap the Base Soil with a thin layer of sand or fine gravel if you are keeping shrimp. A thin inert cap keeps the soil undisturbed while still allowing roots to reach the nutrient layer below, and prevents shrimp from digging and clouding the water.
- Slope the substrate higher at the back of the tank than at the front. A sloped base creates visual depth in an aquascape and allows you to plant taller stem plants at the rear while keeping foreground plants low. Use approximately 1 inch at the front and 3 to 4 inches at the back.
- Do not vacuum the substrate during water changes. Soil substrates need to stay in place. Siphoning into the base soil pulls nutrients out early and breaks up the bacterial bed developing in the granule layer.
What's Included:
- 3L bag of Dymax Base Soil granular substrate
Specifications:
- SKU: DM-BSOIL3
- Volume: 3 liters
- Substrate Type: Nutrient-active granular soil
- Color: Black
- pH Effect: Stabilizes pH
- Compatible Tank Types: Freshwater planted aquariums, shrimp tanks, tropical community tanks
WARRANTY
CoralVue, Inc. hereby guarantees this product to be free from defects in material and workmanship for a period of:
- 90-days
- Warranty is activated on the date of purchase.
This Standard Limited Warranty applies and is limited as follows:
- To the product only as long as it remains in the possession of the original purchaser.
- To the product that has not been subject to accident, misuse or abuse.
- To the product that has not been modified, altered, defaced, or had repairs made or attempted by other than CoralVue, Inc.
- That CoralVue be immediately notified in writing within ten (10) days of first knowledge of defect by owner or his agent.
- That CoralVue, Inc. shall be given first opportunity to make any repairs, replacements or corrections to the defective construction within a reasonable period of time.
- Under no circumstances shall CoralVue and/or the Manufacturer be liable by virtue of this warranty or otherwise for damage to any person or property whatsoever for any special, indirect, secondary or consequential damages of any nature however arising out of the use or inability to use because of the product defect.
Instructions:
- Rinse the Base Soil gently before use if desired, though Dymax states it does not cloud water on install. Rinsing is optional.
- Add the Base Soil to a dry or empty tank first, before filling with water, to avoid disturbing the granule bed.
- Spread evenly across the tank bottom to your desired depth. A depth of 2 to 3 inches is typical for planted tanks.
- If capping with an inert substrate layer, add that on top of the Base Soil before filling.
- Fill the tank slowly by pouring water onto a plate or bag placed on the substrate to prevent disturbing the soil bed.
- Allow the tank to run and cycle before introducing livestock. Monitor pH during the initial break-in period.