Count on Jack’s 5-12-26 to promotes the growth of leaves and strong roots for your hydroponic plants. This updated formula is blended with purely soluble and available nutrients to allow the grower maximum flexibility. Specific mixtures of macro, secondary and micronutrients deliver an efficient combination of nutrients suitable for many different growing environments and crop types.

Adding Jack’s Part A fertilizer to your growing media is the first step in a bountiful harvest. When used with Jack’s Part B 15-0-0 Calcium Nitrate, it produces a combined NPK ratio of roughly 2-1-2, which is ideal for flowering and fruiting. Order small bags for DIY growing or bulk 25-pound bags at the best prices.

Jack’s 5-12-26 Part A Hydroponic Fertilizer Features:

• Water-soluble
• NPK ratio of approximately 1-2-5
• Use in combination with 15-0-0 Part B Calcium Nitrate fertilizer
• Sold in 2.2-pound or 25-pound bags