SKU: 46836293111
msu plant fertilizer

msu plant fertilizer MSU Fertilizer (13-3-15) With Calcium & Magnesium and Other Essential

Sale price$26.08 Regular price$28.98
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Description

msu plant fertilizer MSU Fertilizer (13-3-15) With Calcium & Magnesium and Other EssentialFormulated for Tap Water, Rain Water, and Reverse Osmosis Water Manufactured by Greencare. Includes measuring scoop and usage guide. Bags are resealable zip bag which are airtight and waterproof. The nutritional program at Michigan State University is vastly different from the majority of recommendations circulating within the horticultural world about the fertilization of orchids. This fertilizer is now being referred to as Michigan State Universitys

Formulated for Tap Water, Rain Water, and Reverse Osmosis Water

Manufactured by Greencare. Includes measuring scoop and usage guide. Bags are resealable zip bag which are airtight and waterproof.

The nutritional program at Michigan State University is vastly different from the majority of recommendations circulating within the horticultural world about the fertilization of orchids. This fertilizer is now being referred to as “Michigan State University’s Magic Fertilizer.” This RO Water Special or 13-3-15, was designed for a pure water source like rainwater or reverse-osmosis (RO) purified water or water that has been treated for city use such as tap water. Due to the extreme variability of well-water mineral content, the RO Water Special formula is the preferred choice for the home grower. 

The MSU Fertilizers were designed and formulated for use in the MSU research and teaching greenhouse ranges on a broad range of horticultural crops: Easter lilies, poinsettias, annual bedding flowers, perennials — just about everything but orchids, but the formula proved to be exceptionally good for them.

It is recommended give two to three applications of the fertilizer followed by a generous root drench of water (Fertilize for three weeks, then the 4th week just apply regular water to flush out any salts which may have built up in the pots).

Our packaging is perfect for those with small collections. Each bag contains 100% original Greencare granulated MSU Fertilizer with a measuring scoop included. The package is a metal mylar package with a resealable zipper to ensure no moisture intrusion. Small packages were specifically chosen to allow for cheaper shipping options, to help with storage as well as to reduce any large loss from potential moisture exposure (Those of you who have lost a 5lb bag of fertilizer to moisture intrusion will know just how frustrating this is)

 Nitrate Nitrogen (N)                                        13%

           Nitrate Nitrogen 12.5%

           Ammoniacal Nitrogen 0.7%

     Phosphorus (P2O5)                                      3%

     Potassium (K2O)                                          15%

     Calcium (Ca)                                                   8%

     Magnesium (Water Soluble Mg)              2%

     Boron (Soluble B)                                 0.018%

     Copper (Soluble Cu)                           0.044%

     Iron (Chelated Fe)                                0.177%

     Manganese (Soluble Mn)                  0.088%

     Molybdenum                                          0.018%

     Zinc (Soluble Zn)                                 0.044%


Derived from: ammonium phosphate, boric acid, calcium nitrate, copper sulphate, iron EDTA, magnesium nitrate, manganese sulfate, potassium nitrate, sodium molybdate and zinc sulfate.

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SKU: 46836293111

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Demelza Irizarry
Lake Worth, US
★★★★★ 5
Clean mop heads are important!
Color: 6pcs
Fits the eufy Omni C20 robot vac perfectly. Would happily purchase again keep my floors clean
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Reviewed in the United States on November 14, 2025
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Amazon Customer
Belleville, US
★★★★★ 5
Fits and works the same as the original
Color: 6pcs
I like to change my washing pads on the Eufy C20 every Friday (floors are vacuumed Mon, Wed, Fri and get washed on Mon and Fri as well). I will send the mop out too just to do the kitchen once I have had a big cooking session. These fit well and work as well as the original. I'm so happy to have extras as my laundry sometimes take several days to get caught up. Recommended.
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Reviewed in the United States on June 13, 2025
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Amazon Customer
Lowell, US
★★★★★ 2
Poor quality
Color: 12pcs
I ordered these for my Eufy robot mop/ vacuum. While they fit great they are of terrible quality. They shredded on the first use and I have tile floors. Maybe I got a defective batch but I will not be buying these again🫤
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Reviewed in the United States on May 28, 2026
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Caitlin
New York, US
★★★★★ 1
Save your time and order the eufy brand.
Color: 6pcs
Started fraying immediately. Tried a different pair and had the same problem.
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Reviewed in the United States on May 21, 2026
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Brandon
Bozeman, US
★★★★★ 5
Excellent
These cleaning wipes work great for my pick up truck and they leave a new car smell. After you wipe down the surface, it leave's everything looking shiny and new. At this price it’s a very good product.
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Reviewed in the United States on March 4, 2026

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