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Grow Studio Inc, operating under the brand Simply Professional Formula, is a US-based manufacturer of microbial-based soluble nutrient powders designed for growers at every level. The company sells stage-specific plant nutrition products through its webshop at simproformula.com, serving home gardeners, hobbyist cultivators, and commercial grow operations.
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About Grow Studio Inc
Location
Tucson, AZ 85730, USA
Phone
520-850-4752
Email
Shipping
Free shipping available
Prices from
$42.95
Certifications
OMRI-listed inputs
PGR-free
Yes, no synthetic plant growth regulators
Made in
USA
Simply Professional Formula positions itself in the mid-to-premium segment of the plant nutrition market, targeting growers who want biologically active, clean-ingredient products without complex feeding schedules. The brand's philosophy centers on transparency and simplicity: every formula is designed to be used independently per growth stage, eliminating the need for additional boosters or additives. Products are OMRI-listed, free of synthetic plant growth regulators, and manufactured in the United States using organic mineral inputs and living microbial blends. The typical customer ranges from the serious home grower to the professional cultivator seeking consistent, compliant results across soil, coco, and hydroponic systems.
Active promotions
Ready to use with your order at Grow Studio Inc.
Free product sample available for new visitors who want to try the SimPro formula lineup before committing to a full purchase.
Example promotion
This is an example of a promotion that could suit this business. It is not a guaranteed active offer or a working discount code. Check the website for current deals.
To the shop
Bundle discount on multi-stage product combinations, such as the 2-Stage SimPro Line-up, offering a reduced price compared to buying each formula separately.
Example promotion
This is an example of a promotion that could suit this business. It is not a guaranteed active offer or a working discount code. Check the website for current deals.
To the shop
Grow Studio Inc in the news
Recent updates and background about Grow Studio Inc, summarised in our own words.
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Y7, a yoga studio chain that was previously considered one of the fastest-growing companies in the United States, has closed all eight of its locations with little advance notice. The sudden shutdown marks a significant reversal for a brand that had seen rapid earlier expansion.
Summaries by Image Review based on publicly available sources and our own editing. External links may contain affiliate links.
What others ask about Grow Studio Inc
Answers to the most common questions, based on search behaviour and our own research.
Is Grow Studio Inc a reliable webshop?
Grow Studio Inc operates the Simply Professional Formula brand and has received positive customer reviews, including perfect ratings on multiple products. The company is based in Tucson, Arizona, and can be reached by phone or email for support.
Does Simply Professional Formula offer free shipping?
Yes, the webshop states that free shipping is available. The exact order threshold is not specified on the pages reviewed.
Can I get a sample before buying?
Yes, Simply Professional Formula offers a free sample option, which is prominently promoted on the website.
Are these nutrients suitable for food crops and multiple growing systems?
Yes, all formulas use food-safe inputs and are compatible with soil, coco, and hydroponic growing systems. They are also free of synthetic PGRs, making them suitable for edible cultivation.
Your turn
Do you have experience with Grow Studio Inc?
Help other consumers by sharing your experience, with a photo of what you actually received. It takes two minutes and you automatically join the monthly draw.
€250
cash per month
One winner from all review submitters, drawn on the 1st of the month.
Your review = real impact + chance to win €250
Guarantee: every review triggers one of these 5 real donations:
- 1 Upload a photo Of your order or the product
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