Athena Bloom, Pro, 25lbMaximize flowering and support metabolic activity with Athena Pro Bloom. This dry fertilizer is fully soluble, containing balanced macro and micro elements such as phosphorous (P), potassium (K), and sulfur (S) to enhance potency and flavors. Combined with Pro Core and any dosing system, this low heavy metal content mix makes an ideal solution for stock tanks and reservoirs. Follow our mixing instructions, and avoid combining dry or concentrate forms.