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Pint bottle of FoxFarm Bush Doctor Cal-Mag fertilizer with a black label, green plant illustration, and white cap.

Happy Hydro

4.5 (123)

FoxFarm Bush Doctor Cal-Mag 1 PT

Name: Happy Hydro FoxFarm Bush Doctor Cal-Mag 1 PT - FoxFarm Bush Doctor Cal-Mag 1 PT
Brand: Happy Hydro
SKU: 39518159044675
Price: 15.15 USD
Availability: InStock
Rating: 4.6 (8 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$15.15

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Color

Black

Quantity

Description

Nobody likes blossom end rot or tip burn. That’s why FoxFarm brings you BUSH DOCTOR CAL-MAG. Calcium and magnesium help strengthen cell walls and aid in fruit development, helping you avoid the costly and frustrating deficiencies that cause...

Reviews

4.6

10 ratings

Great product turned my girl around …..also fast shipping

Marquites · June 2, 2026

Quality product. Has a light white color to the solution and mixes up easily, leaving no residue after. Seems to work as well or better then most other calmag products we have tried.

Matthew · March 18, 2026

Was seeing some issues using another brands dry calmag amendment so decided to try a more plant accessible product for organics. OMRI listed and seems to have made a noticeable improvement.

Matthew · February 20, 2026

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Happy Hydro

4.8 (5.6K)

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Description

Reviews

4.6

10 ratings

Great product turned my girl around …..also fast shipping

Marquites · June 2, 2026

Quality product. Has a light white color to the solution and mixes up easily, leaving no residue after. Seems to work as well or better then most other calmag products we have tried.

Matthew · March 18, 2026

Was seeing some issues using another brands dry calmag amendment so decided to try a more plant accessible product for organics. OMRI listed and seems to have made a noticeable improvement.

Matthew · February 20, 2026