The study was carried out in privet fish farm for fish tilapia production at Bir Al-Abd city in North Sinai, Egypt, where the fish farm contains two concrete ponds without powered aeration but, depending on passively aerated for irrigation of plant farms. The study included five treatments as follow: T1) Irrigation with fish culture water without fertilization., T2) Irrigation with fish culture water + 25% organic fertilization of the recommended dose, T3) Irrigation with fish culture water + 50% organic fertilization of the recommended dose, T4) Irrigation with fish culture water + 75% organic fertilization of the recommended dose, and T5) Irrigation with fish culture water +100 % organic fertilization of the recommended dose. The relationship between length and weight presented by the following equation: W = 0.0215×  L 2.9691. The results showed that the highest value for each of number of branches and leaves achieved through using effluent water from the fishpond with 75% organic fertilization of the recommended dose compared to other treatments. All seedlings of pepper plants were trans planted with length about at the beginning experiment, and the end of the experiment reached 36.24, 47.36, 58.16, 68.96, and 67.22 cm for plant height treatments T1, T2, T3, T4, and T5, respectively. The result of the statistical analysis showed a significant difference in the yield of pepper between treatments. Treatment 4 (liquid water fish + 75% vegetable fertilizer) recorded the highest average production of 12515 kg per feddan. Treatment 1 (liquid water fish only) had an average yield of less than 3.4 kg per feddan. The result of the statistical analysis showed a significant difference in pepper yield among the treatments.