Bloom PK is a cost effective substitute for Canna PK 13/14 or House and Garden Top Booster. The 300ml bottle is larger and cheaper, and the 2.5L bottle is a great substitute for a Canna PK13/14 1L or 5L bottle. Why do we recommend it? We've tested it. NPK: 0-19.5-21  (Ratio is almost identical to other leading brands).

What is Bloom PK?

Bloom PK is a phosphorus (P) potassium (K) supplement that promotes flowering in the plant using additional phosphorus and potassium. It is highly concentrated with potassium solubilised with phosphorus. It can only be used in a run to waste system. PK can be used in any grow method or media whether it is indoors or outdoors. Check the feed schedule to get the correct dosage. Bloom PK is available in a 300ml bottle.


Potassium and phosphorus

Application rates:

Use 1ml per 1L, or 10ml per 10 litres of water

Bloom PK will make this much nutrient:


Bloom PK Feed schedules

Can be found on the Advanced Floriculture website here.


SKU AG1335
Brand Bloom
Type Additives

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