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Over Temp Alarm Weight & Dimensions Outside Dimensions (LxWxH): 28" x 22" x 18"
It's an intermittent-duty pump tuned for quiet operation
Avoid mediums mixed with perlite or expanded clay — the air pockets confuse the waveform
plant-safe chemical with powerful oxidative properties to keep your root zone clean and free of unwanted organisms and buildup
Haifa Calcium Nitrate 15.5-0-0 50lb bag Always Really Sharp Over Temp Alarm Weight &Haifa Calcium Nitrate 15. 5 0 0 for Greenhouse Feeding Haifa Calcium Nitrate 15. 5 0 0 is the greenhouse grade of Haifa Cal, a fully water soluble calcium and nitrogen source. The 15. 5% nitrogen runs mostly as nitrate, at 14. 4% nitrate to 1. 1% ammoniacal, alongside 19% calcium. Nitrate feeds fast and keeps calcium moving into new growth, so a greenhouse or indoor crop holds firm cell walls. It dissolves clear and colorless, with only 0. 03%