Athena Blended Bloom B

What Athena Blended Bloom B Is

Bloom B is the phosphorus-and-potassium-dominant half of Athena's two-part liquid flowering base. Its guaranteed analysis of 0.7-6-5 pairs directly with Bloom A (4-0-5) — the two are always used in equal volumes so that the combined mineral profile stays in the ratio Athena's feeding schedule is built around. Neither part should be used alone, and the two concentrates must not be combined undiluted.

The formula is built around macronutrients and EDTA/EDDHA-chelated micronutrients — specifically monopotassium phosphate, potassium nitrate, copper EDTA, magnesium sulfate, and monoammonium phosphate. Chelation keeps micronutrients soluble and plant-available across a broader pH window than unchelated salts, which matters in hard-water markets and in RO-based systems alike.

The 55-gallon drum format (SKU: LQB-BLB-55G) is sized for facilities running Dosatron injectors, inline dosing panels, or large recirculating reservoirs where gallons-per-week consumption makes smaller packaging impractical.

Who This Is For

Licensed cannabis and hemp cultivation operators running commercial flower rooms — whether in coco, rockwool, DWC, or peat-based media — are the core market for the 55-gallon drum. The Blended Line was designed so that an operator can execute a clean, two-product-per-stage program without weighing dry salts or managing powder hydration. At drum scale, that consistency advantage compounds: every inject cycle draws from the same homogeneous liquid concentrate, so batch-to-batch EC drift from inconsistent dry mixing is eliminated.

The format also suits multi-site operators or management service organizations (MSOs) that want to standardize a single nutrient program across multiple facilities. Athena publishes SOPs for hand-watering, Dosatron, and RDWC configurations — the Blended Line is the same formulation regardless of delivery method, so protocol transfers cleanly between rooms and between sites.

Operators already running Athena Grow A+B in veg switch directly to Bloom A+B at the flip — the programs are sequential, not simultaneous, making transition straightforward and waste-free.

Key Formulation Attributes

Sediment-free: the formula is designed to remain fully in solution. Athena notes that minor micro-particles may occasionally be visible under certain storage conditions but will not affect mineral balance or system compatibility. Shake the drum before use and keep it within the recommended storage temperature range.

Irrigation system compatibility is broad: fine dripper heads, Dosatron injectors, drip loops, hand-watering, and recirculating systems all work without modification. This matters at commercial scale where clogged emitters mean labor, downtime, and uneven canopy feeding.

EC-based dosing: Athena's published feed schedules express Bloom B as a range of 2–7 mL per gallon, adjusted by growth stage within flower and by the plant's EC target. Operators dial the injector ratio rather than reformulating — the liquid concentrate handles the rest. Always dial pH to target after all additives are mixed; do not pre-combine concentrates undiluted.

Shelf life is two years from the manufacturing date when stored in the original sealed container between 45°F and 85°F.

How Bloom B Fits a Full Blended Line Build

Bloom B is one part of a broader Blended Line stack. The complete flowering program pairs Bloom A and Bloom B as the base, with CaMg running as a continuous supplement throughout both veg and flower — particularly useful in RO water or inert media like coco and rockwool where calcium and magnesium need to be fully replaced by the nutrient program. Balance (potassium silicate-based pH buffer) also runs continuously to stabilize fertilizer solution pH in low-alkalinity source water.

PK layers in during the mid-to-late flower phase as a low-nitrogen phosphorus-and-potassium booster for high-demand finishing weeks. Cleanse, a hypochlorous acid-based system maintenance product, enters in the final one to two weeks pre-harvest. Stack is an optional terpene-quality additive. The full eight-product lineup — Grow A, Grow B, Bloom A, Bloom B, CaMg, PK, Balance, Cleanse — is available through HSC, so operators can source the entire program through a single account.

At drum scale, the standard practice is to run Bloom A and Bloom B in dedicated injection channels or separate stock tanks, keeping them diluted in the water stream and never combining the concentrates directly. Athena provides Dosatron panel configuration guides and a hand-watering SOP for facilities that haven't yet automated their feeding.