For decades hobbyists has debated about this topic, I have personally had heated discussions with my hobbyist friends and in this post, have called out the Pros and Cons of beef heart mix and I am pretty sue you would be able to make an decision

Pros of beef heart:

1. High in Nutrients: Beef heart contains high amounts of protein, minerals and vitamins that are essential for discus fish health.

2. Easily Digestible: The soft texture of beef heart makes it easily digestible for discus fish, meaning they don’t have to expend too much energy on digestion which can be beneficial when they’re already under stress from being moved or adjusting to a new environment.

3. Natural Source of Omega-3 Fatty Acids: Beef hearts contain omega-3 fatty acids, which help promote proper growth and development in young discus fish as well as improve the overall condition of older specimens by providing them with necessary nutrients to function at their best levels while also helping reduce inflammation throughout the body caused by disease or aging processes that could otherwise lead to poor health outcomes if left untreated over time..

4. Encourages Activity Levels & Feeding Habits in Discus Fish: As one might expect from such an appetizing food item for any aquatic organism really – provided it isn’t sensitive or allergic – feedings containing beefheart tend increase activity levels among both juvenile and adult specimens alike; this is due mainly because regular supplementation serves as a natural appetite stimulant thereby encouraging more frequent feedings than would typically occur without its presence amongst your fish’s dietary intake . 

5. Natural Taste for Discus Fish: The natural flavor of beef heart helps to attract discus fishes which makes it easier to feed them in aquariums or tanks without any problem with their eating habits due to unfamiliar food items at first sight..

6. An Economical Choice For Supplementation: Finally; especially when compared against several other species-specific items available today – such as shrimp pellets specifically formulated for use with cichlids, etc – Beefheart tends to offer fantastic value at cost per serving owing mainly feeling within reach financially even those hobbyists who run tight budgets but still want supplement their finned friends’ diets appropriately nonetheless!

7. Easy Preparation Methodology: Preparing meaty treats like beef hearts doesn’t require extra effort as they can be chopped directly into small pieces before feeding them directly onto the tank’s water surface level where they will sink down after some time giving enough time window required by Discuses so that they would not miss out on the nutrients available through these treats. 

8. Minimal Waste Generated: Small chunks added up over several days won’t generate too much waste compared to bigger chunks all at once due get decomposed quickly leaving no trace behind making it an eco-friendly choice among all choices available

Cons:

1. High Protein Content: Beef heart mix contains a high level of protein, which can be dangerous for discus fish if not balanced with other foods. Eating too much beef heart can cause health problems such as bloating and constipation in the fish, as well as leading to an imbalance of nutrients in their diet.

2. Risk Of Bacterial Infections: Due to its raw nature, feeding beef hearts carries a certain risk of bacterial infections being passed on from the meat to your aquarium inhabitants via their water supply or food source.

3. Unbalanced Diet: Discus require a diet that is nutritionally balanced and providing only one type of food could lead them to nutritional deficiencies over time if it isn’t varied enough by adding other sources such as pellets or frozen foods periodically throughout the week.

4 Poor Digestibility Levels For Discus Fish: The digestive system adaptation between humans and freshwater fishes is totally different so it takes more effort for our aquatic friends when they try digesting these kinds of proteins found in meaty treats like beef hearts. 

5 Lack Of Important Nutrients: As mentioned before, since this type of treatment doesn’t contain fiber or carbohydrates you must supplement your discus vitamins & minerals intake from elsewhere otherwise it becomes exposed to deficiency-related diseases eventually.