Advanced Nutrients Ph Perfect Connoisseur Coco Bloom – Bloom B 1L

Advanced Nutrients pH Perfect Connoisseur Coco Bloom – Bloom B 1L is the second part of a two-component, bloom-phase base nutrient engineered for experienced coco coir growers. It pairs with Bloom A to deliver a complete mineral profile during flowering, while pH Perfect Technology automatically holds the nutrient solution in the optimal pH range throughout the entire bloom cycle — no manual pH adjustments needed.

pH Perfect Connoisseur Coco Bloom B Specifications

Specifications below are derived from the canonical product listing and confirmed attributes. Values marked (unverified) are reasonable product-type defaults not explicitly stated in available source data.

Specification	Value
Brand	Advanced Nutrients
Product Name	pH Perfect Connoisseur Coco Bloom – Part B
Pack Size	1 Litre (1L)
Weight	3.0 lb (approx. 1.36 kg)
Formula Type	2-Part liquid base nutrient — Bloom Phase, Part B
Grow Medium	Coco coir (specifically formulated)
pH Technology	pH Perfect — automatic pH stabilization, no manual adjustment required
Iron Chelation	Diversely chelated iron — addresses iron availability deficit in coco coir
Target Grower Level	Expert / experienced coco coir growers
Use Stage	Bloom phase (entire flowering cycle)

Why Choose pH Perfect Connoisseur Coco Bloom B

Connoisseur Coco Bloom is positioned at the top of the Advanced Nutrients base-nutrient lineup, built for growers who already have solid coco coir technique and want a formula that matches their precision. Here is what distinguishes it from standard bloom nutrients:

• Automated pH management throughout bloom: pH Perfect Technology uses a buffer system that continuously holds your nutrient solution in the optimal uptake window for coco, so you are not manually testing and correcting pH every feeding. This removes one of the most common sources of deficiency in coco grows.
• Diversely chelated iron designed for coco: Coco coir is naturally low in available iron and can bind certain iron forms, making deficiency a recurring problem for coco growers. Connoisseur Coco Bloom B supplies iron in multiple chelated forms, increasing the probability that plants can access it across a range of pH fluctuations.
• 2-part system for flexible feeding precision: Separating the bloom nutrient into Part A and Part B allows each bottle to carry elements that would otherwise react and precipitate if stored together. You mix both parts into water at each feeding, giving you a stable, complete solution every time.
• Formulated for maximum genetic expression in bloom: The nutrient ratios in Connoisseur Coco are calibrated to support heavy flowering loads, making it a practical choice for growers who have already optimized their environment and are looking for the feeding program to keep up.
• Paired system — both parts are required: Bloom B is one half of the complete Connoisseur Coco Bloom formula. It is always used alongside Bloom A (sold separately). This is not an additive or supplement — it is a core base nutrient component.

Best Uses for pH Perfect Connoisseur Coco Bloom B

This product is a bloom-phase base nutrient component. Its applications are well-defined, and it is not intended for general-purpose use outside the contexts below.

• Primary bloom feed for coco coir systems: Connoisseur Coco Bloom A+B is designed to be the sole base nutrient during the flowering phase in coco-based grows. Use it in run-to-waste coco slabs, coco pots, or open-top coco systems where frequent fertigation is the norm.
• High-frequency fertigation schedules: Because coco coir is an inert medium with no meaningful cation exchange capacity, plants rely entirely on the nutrient solution for minerals. A fully formulated 2-part like Connoisseur Coco is well-suited to daily or twice-daily feeding programs where precise mineral delivery matters.
• Grows where iron deficiency has been a recurring problem: If you have had persistent interveinal chlorosis in mid-to-late bloom on coco, the diversely chelated iron in this formula addresses that directly. It is worth trialing if standard chelated iron products have not resolved the issue consistently.
• Expert growers combining with a full Advanced Nutrients additive stack: Connoisseur Coco Bloom is designed to work as the base in a broader AN program. Growers using Advanced Nutrients Tarantula or similar beneficial microbial products alongside their base nutrient will find the pH stability beneficial for maintaining microbial activity in the root zone.
• Controlled environment agriculture (CEA) flower rooms: In a dialed-in indoor or greenhouse flower room where variables are tightly managed, this nutrient lets growers push their program toward the plant’s genetic ceiling rather than compensating for deficiencies.

pH Perfect Connoisseur Coco Bloom B vs Similar Bloom Base Nutrients

The market for 2-part bloom base nutrients in coco is competitive, and most professional-grade options share a similar approach: separate bottles to keep reactive elements stable until mixing, calibrated NPK ratios for flowering, and some form of pH buffering. Here is how Connoisseur Coco Bloom B sits in that landscape.

vs. standard Advanced Nutrients Connoisseur Bloom (non-Coco): The standard Connoisseur Bloom line is formulated for a broader range of substrates, including rockwool, hydroton, and DWC. The Coco variant includes the chelated iron profile and ionic balance adjustments specifically needed for coco’s physical and chemical properties — including its tendency to sequester certain nutrients. If you are running coco coir, the Coco variant is the more relevant choice.

vs. generic 2-part bloom nutrients: Budget 2-part base nutrients typically deliver a standard macronutrient profile without the pH buffering technology or substrate-specific chelation that Connoisseur Coco Bloom includes. For growers who already test and correct pH manually and are satisfied with results, a lower-cost option may be sufficient. Connoisseur Coco Bloom B is the better fit when you want the pH automation and the specialized iron delivery that a generic formula does not address.

vs. single-part bloom concentrates: Single-part bloom nutrients simplify the mixing step by combining everything in one bottle. The tradeoff is that certain mineral combinations are chemically incompatible in long-term storage, meaning single-part products often use lower concentrations or proprietary sequestering agents to manage this. The 2-part approach in Connoisseur Coco Bloom allows more direct forms of certain minerals without stability compromises. If you are looking for a nutrient to pair with a root health product, consider reading about Earth Juice Hi-Brix Molasses as a carbohydrate supplement that some growers use alongside their base bloom nutrient.

Compatibility

pH Perfect Connoisseur Coco Bloom B is formulated specifically for use in coco coir-based growing systems. Its chelation profile and ionic ratios are calibrated for coco’s interaction with nutrients, not for soil or pure hydroponic substrates like rockwool or DWC.

Compatible substrates: Coco coir (raw, buffered, or pre-fertilized). Also usable in coco/perlite blends, which are common in run-to-waste setups. Not the intended choice for full-recirculating deep water culture or NFT without consulting the Advanced Nutrients compatibility guide.

Water source: pH Perfect Technology works within a defined input water quality range. It is most effective with source water in the 4.5–8.5 pH range. Reverse-osmosis (RO) water with very low alkalinity may require the Sensi Cal-Mag Xtra or a similar calcium-magnesium supplement alongside the 2-part base to prevent deficiencies — coco is a cation-exchange medium and calcium/magnesium compete for uptake sites.

Additive compatibility: Connoisseur Coco Bloom B is compatible with the broader Advanced Nutrients additive lineup, including bloom-phase carbohydrate products, beneficial microorganism products, and PK boosters. Always add Part A and Part B to water separately before mixing other additives — never combine concentrates directly.

Not for soil: Coco-specific nutrient ratios account for the medium’s chemistry. Using a coco-formulated base nutrient in soil can produce an imbalanced mineral profile relative to what soil-grown plants require. If you are working across both media, keep your feeding programs separate.

Dosing Guidelines

Specific dose rates for pH Perfect Connoisseur Coco Bloom are published on the Advanced Nutrients website and included in their nutrient calculator. The following guidance is based on standard practice for 2-part coco bloom nutrients and the product’s description; always cross-reference with the current Advanced Nutrients feed chart for your specific program.

• Always use Bloom B with Bloom A: Part B is not a standalone nutrient. Mix equal volumes of Part A and Part B per the feed chart — they are designed to be used at the same rate. Adding only one part delivers an incomplete and unbalanced mineral profile.
• Measure separately before adding to water: Do not combine Part A and Part B concentrates before diluting. Add each to your reservoir or mix tank separately, stirring between additions. Combining concentrates will cause mineral precipitation that you cannot reverse.
• pH Perfect buffer range: After mixing both parts at the recommended dose into your water, pH Perfect Technology will bring the solution into the target range automatically — provided your source water is within the workable input range. Do not add pH adjusters unless a calibrated meter confirms the solution is outside the 5.5–6.5 range after a few minutes of mixing.
• EC verification: After mixing, check EC to confirm you are within the expected range for your growth week. Advanced Nutrients publishes week-by-week EC targets for the Connoisseur Coco program. Running outside that range (high or low) will indicate either a dosing error or a water quality issue.
• 1L bottle coverage: At typical dosing rates for bloom, a 1L bottle is appropriate for small-to-mid-size hobby grows or for growers who want to trial the product before committing to a larger format.

How to Use pH Perfect Connoisseur Coco Bloom A+B

1. Prepare your water: Start with clean source water or RO water at room temperature. Measure your target volume for the feed or reservoir fill.
2. Add Bloom A first: Measure the dose of Connoisseur Coco Bloom A per the Advanced Nutrients feed chart for the current bloom week. Add it to the water and stir or circulate until fully incorporated.
3. Add Bloom B second: Measure an equal dose of Connoisseur Coco Bloom B. Add it to the same tank and stir again until fully mixed. Never add Bloom A and Bloom B directly together before diluting.
4. Add any supplements or additives: If your program includes PK boosters, carbohydrate supplements, beneficial microbe products, or cal-mag, add them after both base parts are dissolved. Follow the order of addition specified in the Advanced Nutrients feed chart if using a full AN stack.
5. Check EC: Use a calibrated EC/TDS meter to verify the nutrient concentration is in the target range for the current week of bloom. Adjust volume or dose if outside range.
6. Check pH: Wait 2–3 minutes after mixing for pH Perfect Technology to stabilize the solution. Measure with a calibrated pH meter. If the solution reads between 5.5 and 6.5, you are in range. Only correct with pH Up or Down if the reading is outside this window after stabilization.
7. Feed your plants: For run-to-waste coco, fertigate to 10–20% runoff to prevent salt accumulation. For recirculating coco systems, monitor reservoir EC daily and top up with fresh nutrient solution as needed.
8. Store the concentrate: Keep the Bloom B bottle sealed between uses, stored in a cool location away from direct light and freezing temperatures. Shake before each use if the concentrate has been sitting for an extended period.

Sources & Further Reading