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JBL AlgoPond Forte
Algaecide to combat all types of algae in garden ponds

Product information sheet Instructions
Use biocides safely. Always read the label and product information before use.
Registered at the Federal Institute for Occupational Safety and Health under BAUA number N-37641
  • To combat all types of algae in garden ponds quickly and effectively
  • Easy to use: determine the required quantity, mix it with pond water in a watering can, pour it evenly over the surface of the pond
  • Quick treatment against green water and thread algae by affecting the algae’s metabolism
  • Copper-free. Harmless for fish and plants
  • Package contents: bottle with dosing cup as lid, or canister. Dosage: 50 ml per approx. 1000 l pond water
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Price: 16,76 €
basic price 67.04 EUR / l
Recommended retail price incl. VAT
You can find this item in your specialist and online shop
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Price: 24,03 €
basic price 48.06 EUR / l
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Price: 80,47 €
basic price 32.19 EUR / l
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Price: 115,74 €
basic price 23.15 EUR / l
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Instructions

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Product information

Against algae in the garden pond
AlgoPond Forte combats all kinds of algae (green water and thread algae) highly effectively by systematically affecting the algae’s metabolism.

JBL’s zero-risk concept
Algae can pollute the pond water and thus cause damage to the fish and the plants in the pond. In collaboration with scientists JBL has developed a concept for a permanent removal of algae.

“1-2-3 algae-free”
Stabilise the water: increase the mineral content for anti-algae agents (JBL StabiloPond) to work more effectively
Combat algae: add a suitable anti-algae agent (JBL AlgoPond) into the water
Limit nutrients: remove the nutrients of dying algae (JBL PhosExPond)

Easy use of AlgoPond Forte
Always use it in the morning. Determine the required quantity for the garden pond. Mix the calculated quantity with pond water in a watering can and spread it evenly over the pond. Don’t filter through activated carbon. Switch off any UVC devices for a week After use do not bathe in swimming ponds for 5 days.

Dosage: 50 ml per approx. 1000 l pond water.

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Details

JBL AlgoPond Forte 250 ml

Art. no.:
2740500
EAN Code:
4014162274052
Content:
0,25 l
Range:
5000 l
Volume packaging:
0.46 l
Gross weight:
300.2 g
Net weight:
252 g
Weight factor:
1000
Packaging dimensions (l/h/w):
33/180/78 mm

Properties

Animal species: Goldfish, Juvenile fish, Koi, Sturgeons, Veiltails
Animal size: For all animal sizes
Animal age group: All garden pond animals
Volume habitat: > 5,000 L
Material: 3- (4-CHLOROPHENYL) -1-METHOXY-1-METHYLUREA, sodium salt of carboxymethyl cellulose, purified water
Colour: white / transparent
Dosage: 50 ml per 1000 l pond water
Transport conditions: For this type of product we recommend transport and storage at room temperature.

Electronic label / illuminant

Mercury: No
Dimmable: No

Technical Data

Height:180 mm
Length:78 mm
Width:33 mm

JBL AlgoPond Forte 500 ml

Art. no.:
2740600
EAN Code:
4014162274069
Content:
0,5 l
Range:
10000 l
Volume packaging:
0.85 l
Gross weight:
578.7 g
Net weight:
502 g
Weight factor:
1000
Packaging dimensions (l/h/w):
40/220/97 mm

Properties

Animal species: Goldfish, Juvenile fish, Koi, Sturgeons, Veiltails
Animal size: For all animal sizes
Animal age group: All garden pond animals
Volume habitat: > 10,000 L
Material: 3- (4-CHLOROPHENYL) -1-METHOXY-1-METHYLUREA, sodium salt of carboxymethyl cellulose, purified water
Colour: white / transparent
Dosage: 50 ml per 1000 l pond water

Electronic label / illuminant

Mercury: No
Dimmable: No

JBL AlgoPond Forte 2,5 l

Art. no.:
2740700
EAN Code:
4014162274076
Content:
2,5 l
Range:
50000 l
Volume packaging:
3.36 l
Gross weight:
2650 g
Net weight:
2500 g
Weight factor:
1000
Packaging dimensions (l/h/w):
150/195/115 mm

Properties

Animal species: Goldfish, Juvenile fish, Koi, Sturgeons, Veiltails
Animal size: For all animal sizes
Animal age group: All garden pond animals
Volume habitat: > 50,000 L
Material: 3- (4-CHLOROPHENYL) -1-METHOXY-1-METHYLUREA, sodium salt of carboxymethyl cellulose, purified water
Colour: white / transparent
Dosage: 50 ml per 1000 l pond water
Transport conditions: For this type of product we recommend transport and storage at room temperature.

Electronic label / illuminant

Mercury: No
Dimmable: No

JBL AlgoPond Forte 5 l

Art. no.:
2740800
EAN Code:
4014162274083
Content:
5 l
Range:
100000 l
Volume packaging:
6.34 l
Gross weight:
5250 g
Net weight:
5010 g
Weight factor:
1000
Packaging dimensions (l/h/w):
190/230/145 mm

Properties

Animal species: Goldfish, Juvenile fish, Koi, Sturgeons, Veiltails
Animal size: For all animal sizes
Animal age group: All garden pond animals
Volume habitat: > 100,000 L
Material: 3- (4-CHLOROPHENYL) -1-METHOXY-1-METHYLUREA, sodium salt of carboxymethyl cellulose, purified water
Colour: white / transparent
Dosage: 50 ml per 1000 l pond water
Transport conditions: For this type of product we recommend transport and storage at room temperature.

Electronic label / illuminant

Mercury: No
Dimmable: No
FAQ
What happens to the algae after I use an anti-algae agent?

Any anti-algae agent, such as JBL AlgoPond forte, AlgoPond green or Algol cause the dead algae to decompose biologically and then be broken down bacterially. This in turn leads to an enormous oxygen consumption by the bacteria (nitrification) and to the release of the nutrients nitrate and phosphate, which were "bound" in the algae. In principle, this feeds the next generation of algae. This is the reason why JBL always recommends binding the released nutrients as the last step in algae control after the targeted control of the algae with an anti-algae agent. Since it is sufficient to remove one of the two nutrients, we recommend you remove the phosphate, and this can easily be carried out with a good phosphate remover (JBL PhosEx Pond or JBL PhosEx).

By the way, it is always better to remove dying or dead algae by hand. The fewer algae are degraded, the fewer nutrients are released again!

Can I use several anti-algae agents together in the pond?

Each JBL anti-algae agent has a special purpose. It is therefore not necessary to use several AlgoPond products at the same time. Use AlgoPond Green to combat green water. Use AlgoPond forte for thread algae and all other types of algae. If you want to change the product, allow a time interval of 14 days, a water change of at least 50 % and filtering via activated carbon. The products StabiloPond and PhosEx may, of course, be used together with an AlgoPond algae agent according to the 1-2-3 algae-free principle.

Is JBL AlgoPond Forte safe for fish?

With proper dosage and application JBL AlgoPond Forte is safe for fish.

Why should JBL AlgoPond Forte be used in the mornings?

During the day the pH value increases to potentially very high values, especially when there is an algae plague. With high pH values the effectiveness of JBL AlgoPond Forte is reduced. It is therefore important to stabilize the water in the evening as required, and then to carry out an algae treatment in the morning, when the pH value is reduced.

Should the plants stay in the water before a treatment with JBL AlgoPond Forte, or would it be better to take them out?

Used correctly JBL AlgoPond Forte is well tolerated by plants, so that the plants can remain in the garden pond. However with repeated applications sensitive pond plants like the watermilfoil (Myriophyllum spec.) can be damaged.

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Blog (opinions & experiences)

#jbldeal – Now you can benefit!

As a member of the myJBL community you have exclusive access to special promotions. We have attractive benefits and offers for you. Don’t miss out!

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Solves algae problems in the pond - JBL AlgoPond Forte combats all types of algae in the garden pond

With this anti-algae agent you can quickly and effectively combat all types of algae in your garden pond.

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Preparations for the autumn - algae prevention

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I’ve had enough of this pond! Give up or save it?

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My pond is losing water - where has it gone?

Die Sonne knallt auf den Teich und Sie füllen täglich Wasser nach? An manchen Tagen fragt man sich, „ist das wirklich normal und nur die Verdunstung“?

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A lot of pond owners neglect their regular maintenance and only react when problems occur and it’s often too late.

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Pollen, The Algae Motor In The Pond

The car roofs are yellow, the windows dusty and on the water surface floats a yellow-green film of flower pollen and insects. Take immediate action, using preventive or immediate measures to make sure it won’t lead to problems.

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Algae Control 1-2-3 algae free

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Let’s Clear This Up: Cloudy Water in the Pond

Clear water is right at the top of almost all pond owners’ wish list.

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Algae in the Pond – An Outline

It can affect every pond owner. But if you are careful you can avert problems before they occur. In the following article we would like to introduce you to the different types of algae you may meet in the garden pond:

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Algae carpets on the water surface: act now!

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An anti-algae agent alone is no solution

Everyone knows this scenario. Just last week the pond was alright, then suddenly the algae came overnight. Why does this happen? It’s really very simple. You only have to keep in mind 2 factors.

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Press
28.12.2018

JBL AlgoPond Direct to be replaced by JBL AlgoPond Forte

For EU legal reasons, JBL has decided to discontinue its production of JBL AlgoPond Direct. Fortunately, JBL has a second algae product in its range to take its place without any drawbacks:

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14.10.2016

JBL receives the European authorisation to sell anti-algae agents

Since the company was founded, JBL GmbH & Co. KG has been carrying out research in the field of water care for aquariums and garden ponds. The success of our care products and our acceptance to the Article 95 list of the European Chemicals Agency for the active substance monolinuron both confirm

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21.04.2015

80 % of All Pond Owners Wrongly Estimated Their Water Volume

On a daily basis the JBL service department receives questions and inquiries on pond problems which it gladly answers in a competent manner. Now the online pond laboratory where pond owners can get help ...

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19.08.2013

1-2-3-algenfrei: Tipp der Woche

Eine wiederkehrende Frage: In meinem Teich gibt es keine Algen, aber das Wasser ist grün.

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11.08.2013

Direkt nach der Dosierung eines Algenmittels JBL PhosEx Pond Direct einsetzen ?

Kann ich direkt nach der Dosierung eines Algenmittels auch JBL PhosEx Pond Direct einsetzen ? Nein, das ist nicht sinnvoll, denn ...

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17.07.2013

Algen und Phosphat - gibt es da wirklich einen Zusammenhang ?

Bei der Gartenteichpflege wird immer auf die Begrenzung (Limitierung) des Phosphatgehaltes hingewiesen. Ist es wirklich so, dass Algen soviel Phosphate speichern können. Ein einfacher Versuch zeigt den Zusammenhang.

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14.07.2013

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12.07.2013

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10.06.2013

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Schwebealgen im Gartenteich mit JBL AquaCristal UV-C behandeln

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28.08.2012

Green sludge or a slough of bacteria

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21.09.2011

Treatment of green water in garden ponds

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13.07.2011

Green ponds: Worse than in recent years!

Due to the unique conditions this year (a warm, very humid spring, heavy pollen fall), we have a special situation in many ponds with floating algae growth that is so strong that "normal" doses of algaecides are sometimes not enough.

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Laboratories and calculators

Pond laboratory / calculator

This worldwide unique pond laboratory gives you dedicated support to combat problems with algae and cloudiness in your pond.

Pond Guarantee

JBL guarantees you a pond without algae problems if you follow our 3 steps. If by any chance the algae have not disappeared by the end of step 3, please contact the JBL Online Pond Laboratory directly. There you will receive comprehensive online advice. In the unlikely event of your algae problems not being solved, despite your consultation with us, you will be refunded with the purchase price of all JBL 1-2-3 algae-free products purchased during the current calendar year.
Reference guide (Themeworld)

1-2-3 algae-free concept

Sooner or later every pond owner has to deal with the algae issue. Sometimes I’s the first time they’ve had to think about it and sometimes they have tried out various methods and treatments – unfortunately without any long term success. JBL has put scientists to work on that problem and they have worked out a concept which will guarantee success.

Combating algae

Do you have green water or thread algae? We’ll give you long term solutions for algae problems

UV-C water clarifier

How to clean green water and bacterial cloudiness with an UV-C water clarifier

Algae species

Do you have green water or thread algae? We’ll give you long term solutions for algae problems

Water cloudiness

Is your water crystal-clear? How cloudiness is caused and how you can remove it.
Download

Instructions

Additional product information and downloads

Customer reviews

Reviews

Overall rating: 4.5
2 public review(s) for this product.

0 Reviews

2 more reviews in other languages

2 Reviews in other languages

ShakaAnimalStudio - German
2023-11-16T15:40:44Z

Leider hat auch uns die Algenplage erwischt, aber dank diesem Mittel konnten wir es wieder schnell in den Griff bekommen, Danke! Ab sofort werde ich immer eines zuhause haben um schnell eingreifen zu können.

123225477 - Portuguese
2023-05-03T17:49:27Z

Produto muito bom para controlar as algas sem prejudicar a saúde dos peixes e de outras plantas de lago.

JBL AlgoPond Forte - safety information in accordance with GHS

Risk phrase

H412: Harmful to aquatic life with long lasting effects.

safety note

P101: If medical advice is needed, have product container or label at hand.
P102: Keep out of reach of children.
P103: Read carefully and follow all instructions.
P273: Avoid release to the environment.
P501a: Dispose of contents/container in accordance with local regulations.
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