1 Pound - Potassium Sulfate - Sulfate of Potash

Works great for the prevention of "yellow shoulder" in tomatoes. Use 1 tablespoon per gallon of water or applied to the soil approx 3 inches from the stalk and watered in. Tomatoes are heavy feeders of potassium and this product will provide it to them. This needs to be applied soon after the plant begins to set fruit.

Excellent quality. Improved the root health of my roses this spring. I only use it once or twice a season with a root drench and about a tablespoon per gallon of water.

Be careful how you use it. I burned a couple vegetable plants up. I love them to death, sometimes, literally!

My pepper plants showed signs of either over watering, over fertilizing, or a potassium deficiency. Over watering ruled out as the soil was not too wet and roots were fine. Over fertilization could have lead to too much nitrogen locking out other mobile nutrients. Signs of potassium deficiency were edges of leaves becoming yellow, then pale, then drying out, moving from old growth up to newer while the center of the leaves remained relatively normal. Mixed one tablespoon of this product to one gallon of water and used as a foliar spray directly onto the leaves. Noticeable improvement within 48 hours. Leaf edges now slowly beginning to green up. Will flush soil on next watering and not use additional fertilizer for a few months. Hopefully regulates nutrients better. If you believe your plant has a potassium deficiency, this product will work assuming that is the problem. And one pound will last a lifetime unless you are running a farm. Be careful ass too much potassium in a foliar spray can damage the leaves. Better to start off with small amounts in mix and increase as needed. Satisfied with product and seller.

The spec sheet for this is available on Alpha Chemical's site and gives some details that might help decide if this is the right product. This is graded as "Standard Fines" with an SGN 28 and UI 12. The high SGN means it's best suited for making granular NPK blends or direct field applications. It is not manufactured for optimal water solubility and is not well suited to the preparation of liquid fertigation or hydroponics. Rather than fully dissolve, it could be more likely to sit in suspension. Hope that helps people avoid being disappointed with the solubility in a hydro setup!

You get what you pay for. It's cheap, so it came punctured and with a bunch of impurities. Using this as plant fertilizer in my aquarium. Will see if it kills my fish, or whatever the grey impurities are.

I had a palm tree that was yellowing. It was an expensive palm which there when I purchased my new home. Used this once and the palm seems to be getting better. Apparently people tell you to give the palm magnesium if it is yellowing but the magnesium can leach the potassium out of the soil. The palm seems to be perking up with less yellowing. Please read up on Potassium deficiency in palms before applying so you know exactly what to do. Follow the instructions and don't get the potassium near or around the trunk of the tree!

Great for organic gardening with coco coir.

Worked good

Works

C,est pour prévenir le mildiou sur les tomates

Engrais plantes

Exactly what I expected. Good product. Will buy again if needed