I'm about to buy this product after what I've heard and I was wondering about it. Can I use it with my fert 15-30-15? It says water for a week, does that mean add it into the water everytime I'm watering for 1 week? (3-4 waters a week?)

Anyone ever use this product for outdoor plants?
bobweedole Reviewed by bobweedole on . Phosphoload Outdoor Question I'm about to buy this product after what I've heard and I was wondering about it. Can I use it with my fert 15-30-15? It says water for a week, does that mean add it into the water everytime I'm watering for 1 week? (3-4 waters a week?) Anyone ever use this product for outdoor plants? Rating: 5