No blossom end rot — calcium built into the formula from multiple sources provides the continuous supply that prevents cell wall failure in developing fruit
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Grow bags (40–50L) 60–90g per bag Every 4 weeks from first flower For tomatoes and peppers
Stop when fruit begins ripening in earnest
Suspend in the water — ideally hanging from the rim above the air stone so it does not sit on the bubbler and block airflow
Organic All Purpose Fertiliser 4-4-4 | Veg, Fruit & Flowers tomato polyhalite No blossom end rot —Overview Ingredients How to Use The Science FAQ Made by Growers Backed by Science All Purpose 4 4 4 a balanced organic fertiliser for the whole garden All Purpose 4 4 4 is a balanced organic fertiliser that feeds almost everything in the garden from a single bag vegetables, fruit, flowers, roses, herbs and container plants. An even ratio of nitrogen, phosphorus and potash covers leaf, root and flower together, released slowly through soil biology so