What is Terra Aquatica Calcium Magnesium Supplement and what does it do?
It's a concentrated Ca+Mg additive that supports healthy growth, stronger stems, and better fruit quality. It’s especially useful in coco or RO water systems where calcium and magnesium are lacking or quickly depleted under fast growth or strong lighting.
When should I use Terra Aquatica Calcium Magnesium Supplement?
Use it with RO/rain/soft water, in coco or hydro, under intense light, or when you see signs like twisted growth, tip burn, rust spots, or blossom end rot. It helps prevent and correct calcium/magnesium deficiencies when your base feed isn’t enough.
Is Terra Aquatica Calcium Magnesium Supplement suitable for all grow mediums?
Yes, it works in coco, hydro, soil, and with houseplants. It’s especially helpful in coco where calcium binding is common. It can also be used alongside organic nutrients in mixed systems—just dose wisely and monitor plant response.
Do I need CalMag with RO, rainwater, or filtered water?
Yes—these water sources usually lack calcium and magnesium. Terra Aquatica Calcium Magnesium Supplement restores those minerals to prevent deficiency and support balanced feeding. With hard water, you may not need extra CalMag unless symptoms appear.
Is Terra Aquatica Calcium Magnesium Supplement compatible with all nutrients?
Generally yes, but avoid stacking it with coco-specific bases like DualPart® Coco, NovaMax®, or FloraCoco, which already contain added calcium. Always check your base nutrient label to avoid overdoing it.
What’s the correct dosage and feeding frequency?
A typical dose is 1.5–2 ml per litre. In coco or RO setups, many growers run it with every feed. In soil, use it as needed—either regularly at a low dose or as a correction. Don’t stack it on top of a strong base without adjusting EC.
Do I need to pre-soak coco with Terra Aquatica Calcium Magnesium Supplement?
Yes, if your coco isn't buffered. Pre-soaking with 1–1.5 ml/L helps prevent early calcium lockout and deficiency in the first 1–2 weeks. Continue with regular CalMag doses during early veg for stability.
How should I mix Terra Aquatica Calcium Magnesium Supplement with nutrients?
Add it to water first, mix well, then add your base nutrients and additives. Always check EC and adjust pH last. Don’t mix it directly with silica or PK boosters—always dilute separately into water.
Can Terra Aquatica Calcium Magnesium Supplement cause nutrient burn or imbalance?
Yes—overuse can raise EC too high or create nutrient antagonism, especially with other calcium-rich feeds. It’s important to monitor plant response and runoff EC to avoid stacking too much Ca or Mg.
How quickly will Terra Aquatica Calcium Magnesium Supplement fix a deficiency?
If the issue is Ca/Mg shortage, you’ll usually see healthier new growth within a few days to a week. Damaged leaves won’t heal, but new ones should come in clean. In coco, monitor runoff EC to ensure balance.
Is Terra Aquatica Calcium Magnesium Supplement safe for irrigation systems?
Yes—it’s designed to be clean and soluble. It won’t clog drippers or lines when mixed properly. Just avoid mixing concentrates directly and keep your reservoir and lines clean.
Is Terra Aquatica Calcium Magnesium Supplement safe around pets and kids?
Yes, but treat it like any nutrient—store it sealed and out of reach. Avoid contact with skin or eyes, and wash hands after use. Always follow safety guidelines when mixing or storing nutrients.
How should I store Terra Aquatica Calcium Magnesium Supplement?
Keep it sealed, in a cool, dark place away from direct sunlight. Shake well before use if it's been sitting for a while. Proper storage helps maintain stability and consistency over time.
What sizes are available and which one should I buy?
On Dr Greenthumbs, it's available in 1L and 5L bottles. For small setups or trial runs, 1L is ideal. If you're growing in coco, using RO, or feeding frequently, 5L offers better long-term value and convenience.
