Roots Organics Elemental – 9 lb

Roots Organics Elemental is a dry calcium-magnesium supplement formulated for fast-growing plants in all garden systems. It provides two macronutrients — calcium for cell wall integrity and magnesium as the core of the chlorophyll molecule — that are commonly depleted during vigorous vegetative and flowering growth. The 9 lb bag is suited for mid-size home gardens and small commercial operations that go through regular top-dressing or reservoir applications.

Roots Organics Elemental Specifications

Key technical specifications for the 9 lb package of Roots Organics Elemental dry calcium-magnesium supplement (SKU ROEL9).

Specification	Value
Brand	Roots Organics
Product Name	Elemental
Supplier SKU	ROEL9
Package Weight	9 lb (9.0081 lb actual)
Primary Nutrients	Calcium (Ca), Magnesium (Mg)
Nutrient Category	Macronutrient & Micronutrient Supplement
Formulation	Dry granular / powder
Garden System Compatibility	Soil, coco coir, raised beds, hydroponic

Why Choose Roots Organics Elemental

Calcium and magnesium deficiencies are among the most common problems growers encounter, particularly in coco coir and hydroponic systems where these elements are not naturally buffered by soil particles. Roots Organics Elemental addresses both deficiencies in a single supplement. Here is why growers choose it:

• Targets the two most-depleted macronutrients in one product. Rather than applying separate calcium and magnesium amendments, Elemental combines both in a single formulation, reducing the number of products in a feeding program.
• Supports cell structure and photosynthesis. Calcium plays a structural role in cell walls and membranes, while magnesium sits at the center of every chlorophyll molecule. Adequate levels of both translate directly to firm tissue and efficient light conversion.
• Designed for fast-growing plants. High-demand crops pull calcium and magnesium faster than slower-growing plants. Elemental was specifically formulated to keep pace with those elevated uptake rates during peak vegetative and flower production stages.
• Dry granular format for flexible application. As a dry supplement, Elemental can be mixed into soil before planting, top-dressed around established plants, or dissolved into irrigation water. This flexibility makes it practical for a range of growing methods.
• Trusted Roots Organics formulation. Roots Organics is an established brand in the organic and hydroponic growing community with a portfolio built around nutrient balance and plant health. Elemental fits into their broader organic nutrient system without compatibility concerns.

Best Uses for Roots Organics Elemental

Elemental is a targeted supplement, not a base nutrient. It is most useful in specific situations where calcium and magnesium levels need support. The following scenarios represent its strongest applications:

• Coco coir grows: Coco coir binds calcium naturally, creating a chronic deficit unless calcium-magnesium supplementation is added from the start. Elemental is well-suited to coco-based systems where this buffering effect is a consistent challenge throughout the crop cycle.
• Hydroponic and DWC systems: Recirculating hydroponic systems rely entirely on the nutrient solution for mineral supply. When base nutrients are light on calcium and magnesium — or when plants outpace the base formulation — Elemental fills the gap without altering the broader nutrient profile significantly.
• High-intensity indoor gardens: Plants grown under high-output lighting have elevated metabolic rates and consume calcium and magnesium faster than plants in ambient light. Adding Elemental during the vegetative and early flower stages helps maintain adequate tissue levels during rapid growth phases.
• Correcting deficiency symptoms: Yellowing between leaf veins (interveinal chlorosis) is a common sign of magnesium shortage. Soft or distorted new growth may indicate calcium deficiency. Elemental can be introduced when these symptoms appear to arrest further damage and support recovery.
• Top-dressing organic soil beds: As a dry amendment, Elemental can be worked into the top layer of soil or compost between crop cycles to rebuild calcium and magnesium reserves before the next planting. It pairs naturally with other dry organic additives in a top-dress program. For growers using microbial inoculants, it works alongside products like Advanced Nutrients Tarantula to maintain a healthy root zone environment.
• Supplementing light base nutrients: Some one-part or simplified base nutrient lines do not include enough calcium and magnesium for heavy-feeding crops. Elemental is a straightforward supplement to add alongside any base formula where the calcium-to-magnesium ratio needs adjustment.

Roots Organics Elemental vs Similar Products

Calcium-magnesium supplements are a common product category, and Roots Organics Elemental occupies a specific niche within it: dry granular format, organic-compatible formulation, and a straightforward positioning around plant health rather than aggressive yield-push marketing. Here is how it compares to liquid cal-mag supplements as a category:

Dry vs liquid cal-mag: Most cal-mag supplements on the market are liquid concentrates that dissolve readily into reservoir water. Dry granular products like Elemental require slightly more care to dissolve fully but offer advantages in storage, shipping weight, and shelf life. For soil and coco top-dressing — where pouring a liquid concentrate is impractical — a dry format is the natural choice.

Organic vs synthetic formulations: Elemental is positioned within the Roots Organics organic nutrient system. Growers who prioritize organic certification or soil biology compatibility will prefer this over synthetically derived calcium-magnesium nitrate formulations. Growers who need fast, precisely measured elemental uptake in a hydroponic reservoir may prefer a fully soluble liquid format.

Single-nutrient amendments vs Elemental: Some growers source calcium (e.g., gypsum, lime) and magnesium (e.g., Epsom salt / magnesium sulfate) separately. This approach offers precise independent control over each element but requires more measurement and record-keeping. Elemental simplifies the process by delivering both in a single product with a consistent ratio. If you are already applying dry soil amendments, Down to Earth Crab Meal is another dry organic amendment that can complement an Elemental-based program by contributing additional calcium from crustacean shell sources.

Compatibility

Roots Organics Elemental is designed to work within the Roots Organics nutrient line and is also compatible with other organic and conventional base nutrients. The following guidelines summarize compatibility across growing environments:

• Soil and amended growing media: Elemental integrates naturally into soil gardens. It can be mixed into a soil blend before transplanting, applied as a top-dress, or dissolved into irrigation water. Organic soil biology is not disrupted by its use.
• Coco coir: Fully compatible. Coco coir’s natural calcium-binding behavior makes Elemental a practical standard addition to any coco feeding program from the first week of growth.
• Hydroponic systems: Compatible with recirculating and drain-to-waste hydroponic systems when properly dissolved. Ensure the dry material is fully dissolved in warm water before adding to a reservoir to avoid clogging irrigation emitters.
• Other Roots Organics products: Elemental is part of the Roots Organics portfolio and is designed to complement other products in their lineup without antagonistic interactions. Always check combined EC levels when running multiple supplements.
• Third-party base nutrients: Elemental can be used alongside non-Roots Organics base nutrients. Monitor the total calcium and magnesium contribution from all sources to avoid oversupply, particularly in formulations that already include supplemental calcium-magnesium. Growers using carbohydrate supplements like Earth Juice Hi-Brix Molasses can incorporate Elemental in the same feeding program without compatibility concerns.

Dosing Guidelines

Specific dose rates for Roots Organics Elemental are set by Roots Organics and should be confirmed against the product label and the manufacturer’s current feeding chart. The following guidelines represent standard practice for calcium-magnesium dry supplements of this type and align with the manufacturer’s general nutrient supplementation philosophy:

• Soil top-dress: Work a measured amount into the top 1–2 inches of growing medium around the base of the plant. Watering in activates the amendment and begins making nutrients available to roots. Frequency and quantity depend on crop size and growth stage; consult the label for per-square-foot or per-gallon-of-medium rates.
• Pre-mix into soil: Before transplanting, blend Elemental into the growing medium at the label-specified rate per cubic foot or cubic yard of mix. This creates a reservoir of calcium and magnesium that plants draw on through the early growth cycle.
• Dissolved in irrigation water: For hydroponic and coco applications, pre-dissolve the measured amount in a small volume of warm water, stir until fully dissolved, then add to the reservoir or irrigation tank. Mix thoroughly before running through drip lines.
• Preventive vs corrective use: Preventive application — adding Elemental at the start of a crop cycle before deficiency symptoms appear — is generally more effective than corrective dosing after symptoms are visible. Calcium deficiency in particular is difficult to reverse quickly once it manifests in new growth because calcium is relatively immobile in plant tissue.
• Monitoring: Check runoff EC and pH after introducing any new amendment. Calcium and magnesium additions shift the overall mineral balance in the root zone. Target pH for calcium and magnesium availability is 6.0–7.0 in soil and 5.8–6.5 in coco or hydroponic media.

How to Use Roots Organics Elemental

1. Identify the application method appropriate for your growing system: top-dress for soil beds, pre-mix for fresh growing medium, or dissolved solution for hydroponic and coco irrigation.
2. Measure the dose according to the label rate. Use a calibrated scale for dry amendments — volume measurements with a spoon are less consistent than weight measurements, particularly for fine powders.
3. For dissolved applications: Add the measured amount to a cup or bucket of warm water (not hot). Stir vigorously for 1–2 minutes until fully dissolved. Do not add undissolved granules directly to a recirculating reservoir.
4. Adjust pH after mixing. Calcium and magnesium salts can shift the pH of your solution. Check pH after adding Elemental to your water or reservoir and adjust to the target range before watering or circulating.
5. Water in thoroughly for top-dress and pre-mix applications. The amendment needs to be in solution in the root zone to become plant-available. Dry pockets of undissolved amendment near roots can cause localized salt stress.
6. Check plant response over 5–7 days. If applying to correct a deficiency, new growth is the leading indicator. Existing damaged tissue will not recover, but new leaves should emerge without the deficiency pattern if the application was timely and at the correct dose.
7. Adjust dosing for subsequent applications based on plant response and any runoff or reservoir EC readings. If EC rises above target range, reduce Elemental and check whether the base nutrient formula already supplies adequate calcium and magnesium.

Sources & Further Reading