16-9-12 formula maximizes leaf and flower production. Low phosphorous fertilizer have no adverse affect on water quality. Contains no copper. Non-toxic to fish. Full season fertilizer, apply one time!
- After removing the plastic film, push spike into the soil until cap is just above surface
- Discard at the end of the season (feeds for one growing season)
- Use one spike for 1-2 gallon pots
- Use two spikes for 3 gallon pots
- Use four spikes for 5 gallon pots