SKU: 32946068995
msg fertilizer for plants

msg fertilizer for plants MSU Fertilizer (19-4-23) Well Water Blend For Orchids, Aroids & Tropic

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Description

msg fertilizer for plants MSU Fertilizer (19-4-23) Well Water Blend For Orchids, Aroids & TropicOriginally formulated for Well Water Usage but now widely used with Tap Water, Rain Water and Reverse Osmosis Water Manufactured by Greencare 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 and other plants. This fertilizer is now being referred to as Michigan State Universitys Magic Fertilizer. Well Water Special

Originally formulated for Well Water Usage but now widely used with Tap Water, Rain Water and Reverse Osmosis Water

Manufactured by Greencare

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 and other plants. This fertilizer is now being referred to as “Michigan State University’s Magic Fertilizer.” Well Water Special or 19-4-23 was designed to complement the well water found at Michigan State University

Analysis of the well water MSU grounds, which is pH 7.9, is approximately as follows

(ppm = parts per million or- milligrams per liter):
Calcium = 104 ppm elemental
Magnesium + 34 ppm elemental
Sodium + 8.5 ppm elemental
Potassium = 1.4 ppm elemental
Iron + 0.84 ppm elemental
Manganese + 0.04 ppm elemental
Copper + 0.70 ppm elemental
Zinc = 0.17 ppm
Sulfate (as SO4) = 91 ppm
Bicarbonate + 383 ppm

Due to the extreme variability of well-water mineral content, the RO Water Special formula is the preferred choice for the home grower, however this blend has been used for water sources not on well water with excellent results.

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 resulting in scores of awarded plants.

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  8oz. (1/2lb.) of 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)

GUARANTEED ANALYSIS

Total Nitrogen  19%
      Nitrate Nitrogen 13.6%
      Ammoniacal Nitrogen 5.4%
Phosphate 4%
Potassium 23%
Calcium 2%
Boron 0.016%
Copper (Soluble) 0.08%
Iron (Chelated) 0.16%
Manganese (Soluble) 0.08%
Molybdenum 0.016%
Zinc (Soluble) 0.08%

 

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

 

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SKU: 32946068995

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AirNelson
Boise, US
★★★★★ 5
Durable & Bright - Great for Heavy Chewers
Size: One-Size-for-Most
Pros: Extremely Durable: Survived an aggressive chewer where tennis balls failed. Dual-Visibility: Features both internal flashing lights and a glow-in-the-dark "chargeable" surface. Perfect Size: Fits comfortably in the mouth of a 40lb medium-sized dog. Same size as a tennis ball. Cons: Battery Life: Unsure how long the internal flashing lights will last (though it has held up well so far).
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Reviewed in the United States on February 8, 2026
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Andrea S.
Lowell, US
★★★★★ 5
Great for night time play!
Size: One-Size-for-Most
This ball is great! It is a 2-for-one light up feature so we love the flashing lights and if she drops it in the snow after those lights stop, we can still find it because of the strong glow that gets its charge from the flashing LED lights. Our first one lasted a few years, we lost it on a trip so now back for our second one so we can keep the night time fetch going! She is a golden retriever for size reference. Any bigger of a breed and I would worry it might be too small for her mouth. It’s a bit smaller than a tennis ball. Just don’t make the same mistake I did and let them have it in the house at night, she walked up to my bedside while I was asleep one night and squeezed it to activate it. Those lights are so bright it was a rude awakening!
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Reviewed in the United States on November 11, 2025
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Katie
New York, US
★★★★★ 4
Good option for playing at night
Size: One-Size-for-Most
This ball is a good option if your dog likes to fetch at night. It stays lit for about 20 minutes or so, but that is me only leaving it out of the counter, being "charged" by whatever house lights are on. My dog isn't a big chewer, but it seems as though it would hold up well. I like that it is easy to rinse and clean. It seems to be a good value.
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Reviewed in the United States on January 16, 2026
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Amazon Customer
Bozeman, US
★★★★★ 5
Night play
Size: One-Size-for-Most
My dog like many other dogs loves to play. We needed a ball that fit into the handheld thrower we had but something that we could find it at night. This has been wonderful!
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Reviewed in the United States on April 26, 2026
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Jordan
Birmingham, US
★★★★★ 1
It stopped working after three play sessions
Size: One-Size-for-Most
I thought this ball was great until a week later it stopped blinking and got lost in the snow. We only played with it for three days for 20 minutes at a time. It should’ve lasted a lot longer.
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Reviewed in the United States on December 12, 2025

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