JBL ProPond All Seasons M, 5.8 kg is a staple food from the German brand JBL for medium-sized koi and other pond fish. It comes as floating size M sticks (14 mm) for fish 35–55 cm long. The manufacturer cites the right protein-to-fat ratio of 3:1 according to its own NEO Index, which takes into account water temperature, the food's purpose, and the fish's size and age. Ingredients include wheat, salmon, shrimp, spinach and spirulina. Analysis: 24% protein, 7% fat, 4% fibre and 8% ash. The food is designed for water at 10–25 °C and comes in a resealable, light- and water-proof pack that preserves its quality.
What "all-season" means
Pond fish live with changing temperatures: cool water in spring and autumn, warm in summer. The colder the water, the slower their metabolism and the less protein they need. All Seasons is designed for a wide 10–25 °C range, so you can feed it for most of the season without switching food at every cold snap. On feeding fish in general, see how to feed fish.
Key specs
| Parameter | Value |
|---|---|
| Type | all-season staple food |
| For | medium koi and other pond fish 35–55 cm |
| Form | floating sticks, size M (14 mm) |
| Key ingredients | wheat, salmon, shrimp, spinach, spirulina |
| Protein / fat | 24% / 7% |
| Fibre / ash | 4% / 8% |
| Water temperature | 10–25 °C |
| Weight | 5.8 kg |
| Brand | JBL, Germany |
Pros
- All-season. For water at 10–25 °C.
- Balanced. Protein to fat 3:1.
- Fish and shrimp. Salmon and shrimp in the recipe.
- Spirulina and spinach. Plant ingredients.
- Floating sticks. You can see how much is eaten.
- Airtight packaging. Light- and water-proof.
- A large pack. 5.8 kg for the season.
Cons
- Only for fish 35–55 cm. Smaller fish need another size.
- Not for water below 10 °C.
- Feeding amounts aren't given on the site.
- The share of salmon and shrimp isn't stated.
What the NEO Index is
NEO stands for natural, energy-optimised nutrition. Behind the index is the protein-to-fat ratio. According to the manufacturer, fish should get half as much protein relative to fat in winter (2:1) as in summer (4:1). But the index considers not only season and water temperature, but also the fish's size, age and the food's purpose — for growth, for example, JBL has a separate ProPond Growth. All Seasons has a 3:1 ratio, halfway between winter and summer.
Stick size
Size M sticks (14 mm) are designed for fish 35–55 cm. Small fish will struggle to swallow them, and very large fish may find them too small. If your pond has fish of different sizes, watch whether all of them get to eat, and add food in another size if needed.
How to feed it
Feeding amounts aren't given on the site — follow the instructions on the pack. The general rule for pond fish is to give as much as they eat in a few minutes and remove leftovers. Floating sticks make it easy to see how much has been eaten. Overfeeding pollutes the water and triggers algae blooms.
Food and temperature
The manufacturer specifies 10–25 °C. In colder water, fish digestion slows sharply, so feeding should be reduced and stopped as winter approaches. Monitor the pond temperature with a thermometer, especially in spring and autumn.
Storage
The pack seals airtight and keeps out light and moisture — close it tightly after every feeding. Store the food somewhere dry and cool, out of the sun. Don't leave an open pack outdoors by the pond.
Who it suits
Pond owners with medium-sized koi and other pond fish 35–55 cm long who want one staple food for most of the season at 10–25 °C. More foods are in the fish food section.
Verdict
JBL ProPond All Seasons M is an all-season staple in floating 14 mm sticks for koi and pond fish 35–55 cm: 24% protein and 7% fat under the NEO Index, salmon, shrimp, spinach and spirulina, a large 5.8 kg pack and airtight packaging. The downsides are that it only suits fish of a certain size and water from 10 °C, and feeding amounts aren't given on the site.
FAQ
Which fish is it for?
Medium koi and other pond fish 35–55 cm long.
What size are the sticks?
M, 14 mm.
At what water temperature should I feed it?
10–25 °C.
How much protein and fat?
24% protein and 7% fat.
What are the ingredients?
Wheat, salmon, shrimp, spinach and spirulina.
Does it sink?
No, the sticks float.
What is the NEO Index?
JBL's system for setting the protein-to-fat ratio based on temperature, fish size, age and the food's purpose.



