Free tracked shipping across Canada · 30-day returns · Prices in CAD
Free tracked shipping across Canada · 30-day returns · Prices in CAD
Free tracked shipping across Canada · 30-day returns · Prices in CAD
Free tracked shipping across Canada · 30-day returns · Prices in CAD
Free tracked shipping across Canada · 30-day returns · Prices in CAD
Free tracked shipping across Canada · 30-day returns · Prices in CAD
Free tracked shipping across Canada · 30-day returns · Prices in CAD
Free tracked shipping across Canada · 30-day returns · Prices in CAD
Free tracked shipping across Canada · 30-day returns · Prices in CAD
Free tracked shipping across Canada · 30-day returns · Prices in CAD
Free tracked shipping across Canada · 30-day returns · Prices in CAD
Free tracked shipping across Canada · 30-day returns · Prices in CAD
Questions? canadianlawn.ca@gmail.com
Free tracked shipping across Canada · 30-day returns





Every order ships free with tracking. Processing is usually 1–2 business days and delivery 5–12 business days; freight items a few days longer.
Email us your order number within 30 days of delivery and we send the return steps the same business day. Refunds within 5 business days of receipt.
Send your city or hardiness zone, the space you are working with and the product link to canadianlawn.ca@gmail.com and we check it before you order.
CALiMAGic is a concentrated liquid calcium and magnesium supplement formulated to correct and prevent calcium-related deficiencies in fast-growing garden and hydroponic crops.
Designed by General Hydroponics for growers who need an efficient source of Ca and Mg, this 1-gallon solution feeds quickly into reservoirs, fertigation systems, or foliar applications. It supplies plant-available calcium and magnesium in a stable, soluble form so developing tissues get nutrients when demand peaks during rapid vegetative growth and fruit set. CALiMAGic mixes cleanly with many fertilizers and is engineered not to clog spray lines or drip emitters, making it practical for commercial and home systems alike.
Blossom end rot and tip burn are symptoms linked to insufficient calcium reaching new growth, not simply a lack of calcium in the substrate. CALiMAGic supplies immediately available calcium that moves to growing tissue, reducing the risk of these symptoms when used as part of a balanced nutrition plan.
Yes—CALiMAGic is formulated to remain soluble and will not block common spray lines, emitters, or fertigation hardware when mixed correctly. Follow manufacturer dilution guidelines and flush filters and lines periodically to maintain flow.
Apply CALiMAGic during periods of active growth, like early vegetative stages and around fruit development. It can be used in soil, soilless mixes, or hydroponic reservoirs and is effective as a drench or part of routine reservoir feedings.
CALiMAGic provides calcium and magnesium without altering primary N-P-K targets when used at recommended rates. It complements complete nutrient programs by filling common secondary nutrient gaps that arise during fast growth.
Who is this for: CALiMAGic 1-gallon is for gardeners and commercial growers who need a reliable, concentrated calcium-magnesium source—especially those growing tomatoes, lettuce, peppers, or other calcium-demanding crops in soil, soilless mixes, or hydroponic systems. It suits growers using fertigation, drip irrigation, or foliar applications who want a product that mixes cleanly and delivers fast-acting secondary nutrients during crucial growth stages.
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Q: Is CALiMAGic safe to use in drip irrigation systems?
A: Yes. When mixed per directions, CALiMAGic stays soluble and won’t clog drip emitters or spray lines.
Q: Which crops benefit most from CALiMAGic?
A: Calcium-demanding crops like tomatoes, lettuce, peppers, and other fast-growing vegetables benefit most.
Shipping: free tracked shipping to every Canadian province and territory on every order. Most orders are processed within 1–2 business days and arrive within 5–12 business days; you receive a tracking link by email as soon as it ships. Large items such as furniture sets, sheds and snow blowers may ship by freight and take a few days longer.
Returns: 30 days from delivery to return any unused item in its original packaging. Email us with your order number and we send the return instructions the same business day. Refunds go back to your original payment method within 5 business days of the item arriving with us.
Damaged or wrong item? Tell us within 30 days and we replace or refund it, including the return postage.
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