Laguna Plant Grow Mini Fertilizer Pond Spikes supply important nutrition to aquatic plants for a period of up to one year. The temperature-activated feeding sticks release nutrients only when plants need them most – at or above 50° F or 10° C

• Maximize plant size and colour
• No adverse impact on water quality
• Contains no copper
• Non-toxic to fix and other aquatic life
• Lasts up to 1 full year
• 16-9-12