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Royal Gold Crown Jewels Bloom 1-4-2, 10 lb
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Department: Cannabis Grow
$44.66
Crown Jewels Bloom 10 lb: Calcium-Rich Bloom Feed for Tents, Benches and Beds
The week plants stretch into flower is when this bag earns its place on the shelf. Crown Jewels Bloom is a dry, one-part fertilizer that Royal Gold builds for the flowering and fruiting phase.
Purchase directly from Growers HouseCrown Jewels Bloom 10 lb: Calcium-Rich Bloom Feed for Tents, Benches and Beds
The week plants stretch into flower is when this bag earns its place on the shelf. Crown Jewels Bloom is a dry, one-part fertilizer that Royal Gold builds for the flowering and fruiting phase. It feeds from the soil up rather than from a reservoir. Its guaranteed analysis is 1-4-2, backed by 11% calcium and 0.5% magnesium. Rock phosphate supplies the phosphorus, while gypsum, dolomite and Epsom salt carry the calcium and magnesium. Kelp meal, alfalfa meal, neem seed meal, shrimp meal, basalt and sulfate of potash round out the blend. Of the nitrogen on the label, 0.7% is water-insoluble and only 0.3% dissolves right away. That split keeps the leafy push quiet while flower sites build. Everything is micronized, so the particles spread evenly and break down at a steady rate in living soil. This is the 10 lb bag, which Royal Gold ships four to a case. It holds an OMRI listing and CDFA registration, and Royal Gold mixes it in Humboldt County.
Feeding Containers and Beds With a 1-4-2 Fertilizer
Before transplant, mix one to one and a half cups into each cubic foot of soil about a week ahead and water it in. Pot by pot, that is three to four and a half tablespoons per gallon of media. During flower, top-dress one to three tablespoons per gallon, scratch it into the surface and water well. Plan on a fresh round every ten to fourteen days. Twelve five-gallon pots at two tablespoons per gallon use about seven and a half cups per round. At roughly half a pound per cup, this bag holds about twenty cups, so it covers two full rounds with some to spare. That makes it a fit for a small tent, a greenhouse bench or a handful of raised beds. For tea, aerate a cup in ten gallons of non-chlorinated water for up to two days and apply it full strength or cut down. A cup goes a long way as brew, so the bag stretches further when most of the feeding goes in as tea. Certified organic growers should note that OMRI lists it as Allowed with Restrictions. That listing calls for a documented soil or tissue deficiency before use. Expect an earthy smell for a day or so after each top-dress in a closed room.
Key Features
1-4-2 With 11% Calcium: Phosphorus leads for flower and fruit while a large calcium charge supports firm cell walls.
Mostly Insoluble Nitrogen: The slow nitrogen fraction feeds gradually, so it does not push a late burst of leaf growth.
Micronized Blend: Fine particles spread evenly across the soil surface and break down at a steady pace.
Top-Dress Friendly: It scratches into the surface of pots and beds and works in with regular watering.
Aerated Tea Base: A cup per ten gallons of water makes a bloom tea that works with inoculants and sugar sources.
OMRI Listed and CDFA Registered: The blend qualifies for organic crop production, with OMRI restrictions tied to documented deficiencies.
Ten-Pound Bag: About twenty cups covers a small tent or bench through several top-dress rounds.
Technical Specifications
Specification
Value
Brand
Royal Gold
Product Line
Crown Jewels
Manufacturer Part Number
RG14601
UPC
850015617157
Net Weight
10 lb
N-P-K
1-4-2
Total Nitrogen (N)
1% (0.3% water soluble, 0.7% water insoluble)
Available Phosphate (P₂O₅)
4%
Soluble Potash (K₂O)
2%
Calcium (Ca)
11%
Magnesium (Mg)
0.5% (water soluble)
Derived From
Rock phosphate, gypsum, alfalfa meal, basalt, kelp meal, neem seed meal, shrimp meal, Epsom salt, sulfate of potash, dolomite
Form
Micronized dry granular blend
Pre-Plant Rate
1–1½ cups per cu ft (3–4½ tbsp per gal), mixed 1 week before planting
Top-Dress Rate
½–1 cup per cu ft (1–3 tbsp per gal), every 10–14 days
Field Rate
10 cups per 100 sq ft before planting; 5–10 cups per 100 sq ft every 4 weeks
Aerated Tea
1½ tbsp per gal (1 cup per 10 gal), aerated up to 48 hours
Certifications
OMRI Listed (Allowed with Restrictions); CDFA Registered Organic Input Material
Bags per Case
4





