Canna Calmag Size:1 Litre but for most single-room setups

but for most single-room setups that's not what you need

Same 10ml per litre dilution

you choose the brand and spectrum that suits your grow

Growers committed to the Advanced Nutrients product family (and getting full value from pH Perfect)

requires 2 x AAA batteries

Canna Calmag Size:1 Litre but for most single-room setupsCanna Calmag Agent Corrects Soft or RO Water Before You Feed Best for: Growers using soft tap water or reverse osmosis water who need to add back the calcium and magnesium their base nutrients expect. Our thoughts You can dose your main nutrients perfectly and still end up with a deficiency if your water's the problem, not your feed. If you're on soft mains water or running RO, Calmag Agent fixes that before it ever becomes an issue. CANNA Calmag