



🌿 Elevate your garden’s bloom game — don’t let your plants miss out!
General Hydroponics KoolBloom is a 946ml liquid fertilizer specially formulated with phosphorus and potassium to promote blooming, fruiting, and aromatic compound secretion. Designed for hydroponic and soil use, it dissolves quickly for efficient nutrient absorption and works best when combined with GH Flora products. Highly rated by over 2,000 users, it’s a trusted choice for professional and home gardeners aiming for vibrant, stress-resistant plants.

| ASIN | B002DV8TBQ |
| Amazon Bestseller | #61,887 in DIY, Tools & Garden ( See Top 100 in DIY, Tools & Garden ) #228 in Liquid Fertilizers & Plant Vitalizers |
| Brand Name | General Hydroponics |
| Coverage | For home gardening |
| Customer Reviews | 4.8 4.8 out of 5 stars (2,104) |
| Item Form | Liquid |
| Item Weight | 2.6 Pounds |
| Liquid Volume | 32 Fluid Ounces |
| Manufacturer | General Hydroponics |
| Model Number | GL56732537 |
| Specific Uses For Product | Hydroponics |
| UPC | 793094014526 877707813437 |
| Unit Count | 946.0 Milliliters |
D**S
I am glad I bought this when I did. The instructions on GH website call for 2 tsp per five gallons during week 7 of bloom but week 7 can be done over for a longer season. This product turned my growing season around, besides having trouble setting flowers on my peppers when it's 95 out in July, the plants responded well to a lower nitrogen and higher Potassium and Phosphate feeding program. The other products from General Hydroponics are also for sale on Amazon like, floranova and floralicious plus, both I deemed necessary. This really turned around my growing season, before I used orchid blooming fertilizer, like 0-54-32 and got lots of flowers but this stuff worked just as well and makes my plants really hardy. The price is offsetting because I bought the whole blooming season line but hopefully the experts at GH will follow through. I have noticed though that the directions on the bottle aren't accurate if your going to be using other fertilizers with this, like the base nutrients, and need to check on the proper amount to harmonize. I got the drain-to-waste (soil) chart off the general hydroponics website and started at week 7. This stuff doesn't seem strong enough though when the plants need to root or bloom, this kind is low on the scale of fertilizers compared to ordering directly the main ingredient, monopotassium phosphate. Compared, plants fed early after transplants (like in february I fed a chocolate ghost pepper monopotassium phosphate) the plants fed the high numbered fertilizer are doing much better. So the strengths of the last two numbers on this are a little low and like buying enough of this to feed 100 pepper plants is outrageous and using a more cost effective program would be better. This didn't exactly turn around the flowering process like monopotassium phosphate (similar to dry koolbloom) because it's just not strong enough. The stuff wouldn't kick in fast enough when I need to get flowers the process takes a while. The change in mesuring nutrients was difficult too because there is now 8 different bottles (floranova,floranectar..) between fertilizer feedings.
R**T
It’s the first time using this product for cannabis but have heard it gives good results.
B**C
As advertised thank you!
I**Z
Exactly what I was expecting
C**.
Amazing product, see my other reviews. definitely recommend., works well with other brands as well. its a 2 part system.
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