MasterBlend 4-18-38 Tomato & Vegetable Fertilizer – (5 Pounds)

$37.63

SKU: FDSB16057 Category:
Description

MasterBlend fertilizers have been the go-to Hydroponic and Garden fertilizers for commercial gardeners for a long time. Their 4-18-38 Tomato and Vegetable Fertilizer provides proven results time after time. Because of the unique composition, it is recommended to use the 4-18-38 together with Magnesium Sulfate (Epsom Salt) and Calcium Nitrate for the ultimate balanced water soluble fertilizer. It is recommended to use MasterBlend 4-18-38 in conjunction with Calcium Nitrate and Magnesium Sulfate (also available) in the following recipes.

  • MasterBlend 4-18-38 Fertilizer in Bulk.
  • Choose 1, 5, or 25 Pound Quantities of the Famous Masterblend 4-18-38 formula.
  • MasterBlend World renowned Hydroponic Vegetable Fertilizer for Peppers and Tomatoes!
  • Super concentrated and easy to use!
  • MasterBlend is 100% water soluble, and contains all the trace minerals needed!
Shipping & Delivery

Reviews

★★★★★

"Bought the starter kit and the cushioning is supportive after hours. Used it on my commute all month. Customer service was helpful when I had a question."

Joseph Brooks Joseph Brooks Aug 12, 2026
★★★★★

"Went with the small and the color matched the listing exactly. Brought it camping and it held up fine. Slightly heavier than expected, still well balanced though. Would recommend."

William Jackson William Jackson May 18, 2026
★★★★★

"Ordered the refurbished unit and it does exactly what it's supposed to do. I keep it in the car for road trips. I'm in Phoenix, AZ. Would buy again."

Nicholas Turner Nicholas Turner Aug 2, 2026
★★★★★

"Tracking info was accurate the whole way. It heats up fast and evenly. Took it on a road trip last weekend. Wish it came in more colors, otherwise great. Exactly what I needed."

Emily Cox Emily Cox Jul 7, 2026
★★★★★

"Went with the small and the build quality is better than the photos suggested. Brought it camping and it held up fine. Worth the money."

Laura Moore Laura Moore Jul 15, 2026
★★★★☆

"Order processed quicker than the estimate. Took it on a road trip last weekend. I'm in Milwaukee, WI. Customer service was helpful when I had a question."

Margaret Walker Margaret Walker Jul 19, 2026
★★★★★

"Chose the stainless version and the color matched the listing exactly. Running it through my routine for a month. Glad I went with this one."

Naomi Wilson Naomi Wilson Jun 19, 2026
★★★★★

"Ordered the refurbished unit and it heats up fast and evenly. Used it on my commute all month. Definitely a repeat customer after this."

Mia Adams Mia Adams Aug 7, 2026
★★★☆☆

"Went with the XL and the fabric is surprisingly breathable. Took it to the lake house for the weekend. The strap is a little long for me, easy enough to adjust. Would recommend."

Michael Martin Michael Martin Jun 6, 2026
★★★★★

"Came earlier than the promised date. It's handled my daily dog walks without issue. Packaging tape was loose on one end, product was fine. Exactly what I needed."

Elizabeth Sanchez Elizabeth Sanchez May 25, 2026