The Rapitest Soil Test Kit is designed for simplicity of use and accuracy. The soil test kit contains 4 specially designed color comparators – one each for pH (Green), Nitrogen (Purple), Phosphorus (Blue) and Potassium/Potash (Orange). Each comparator has a removable film color chart and color coded top. Capsules needed for each test are also color coded.
Luster Leaf Rapitest Soil Test Kit includes:
- 4 color-coded comparators.
- 40 test capsules, 10 each for pH, nitrogen, potassium, and phosphorus.
- Water dropper for accurate filling of testers.
- Instructions for adjusting soil pH.
- Fertilization guidelines and pH preference list for over 450 plants.
When should I test? While periodic testing throughout the growing season is recommended, it is crucial to test your soil before planting in Spring and when preparing beds in Fall.
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*** These are replacement capsules only and do not include the test kit itself.
Instructions for Rapitest Soil Test Kit - Printable PDF file.
How Does it Work?
All you have to do is take a sample of your soil from 2-3 inches below the surface, mix with water, transfer some of the solution to the color comparator, add powder from the appropriate capsule, shake and watch for the color to develop. Note your test results and compare to the handy charts to adjust your soil for optimum growth.
Our recommended natural products to adjust your soil.
| Indicated Need | Recommended Soil Amendment | Additional Benefits |
| Nitrogen | DTE Bat Guano 9-3-1 | Adds potash & phosphorous and rich in microorganisms. |
| ECOMAX 6-2-1 | Slow release neem-based granular ferilizer that helps limit soil borne pests. | |
| DTE Blood Meal 12-0-0 | Slow release nitrogen fertilizer perfect for nitrogen-needy crops. | |
| Phosphorous | DTE Bone Meal | High in calcium and helps avoid blossom end rot. |
| DTE Seabird Guano 0-11-0 | Improves root development, boosts seed & flower production. | |
| DTE Rose & Flower Mix 4-8-4 | Contains other macronutrients to aid growth/production of fruiting plants. | |
| Potash | DTE Starter Mix | Slow release blend that provides moderate nutrition for seedling and new plantings. |
| Maxicrop Soluble Seaweed 0-0-17 | Stimulates plant metabolic processes that boost healthy growth and improve stress resistance. | |
| SaferGro SuperGro 1-0-4 | Promotes growth of soil microorganisms that improve plant performance and health. | |
| pH Adjustment | Tiger 90CR Organic Sulphur | Acidifies alkaline soil, leaches excess salts and promotes microbial growth in the soil. |
| Hydrated Lime | Raises soil pH and replenishes calcium. | |
| SaferGro pH Down | Chelates minerals making them more available. | |
| Break Up Clay Soil | Therm X-70 | Reduces salt buildup, improves water uptake and dispersal and provides food for soil microorganisms. |
| Compost Plus | Aerates soil and increases organic matter in the soil. | |
| Cover Crops | Adds root mass to the soil building humus and provides habitat for beneficial insects. | |
| Calcium | Neptune's Harvest Crab Shell | Adds chitin to the soil and help prevent root not nematodes. |
| Sensational Solutions CaFe Mag | Supplements calcium, iron and magnesium without risk of nutrient burn. | |
| Tank's Supermix 2-2-1 | Replenishes beneficial bacteria and key micronutrients in the soil. | |
| Boost Microbial Activity | ROOT | Stimulates root colonization by soil bacteria and fungi. |
| Plant Success Organics Granular, 3-1-2 | Builds soil biology by introducing beneficial fungi and bacteria. Also reduces transplant shock. | |
| Soil Activator | Encourages active root growth and continued colonization of the root zone by beneficial bacteria. |
Environment: Outdoors, Crops, Orchards & Vineyards, Nursery, Greenhouse, Interiorscapes, Container Plants, Houseplants, HoopHouses, Shadehouse, Vegetable Gardens
What's In The Package:
- Soil Test Kit (SKU 1275203) – Contains 4 test vials and 10 test capsules for each vial (Nitrogen, Phosphorus, Potash, pH).
- pH Test Kit (SKU 1275204) – Contains the pH test vial with 10 pH test capsules.
- Replacement Capsules (SKU's 1275205-210) – Do not contain any test vials. These are solely replacement test capsules.
Shelf Life: NA
Active Ingredients/Guaranteed Analysis: Indicator Mixtures (N, P, K, & pH), pH Indicator Mixture
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