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JBL ProScape K Macroelements 250ml

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  • For the fertilising of plants in aquariums with few or no fish population, such as nano aquariums and aquascaping aquariums. Standard dosage in aquariums with CO₂ fertilisation and a lot of light: 5 ml/100 l.

  • Recommended level: 10 – 20 mg/l.

  • The dosage can be checked with the JBL K Potassium Test Set.

Availability: In stock

Regular Price: 9.87 EUR

Special Price 6.57 EUR


YOU GET BONUS POINTS after your purchase. The points can be used for 1 year after the purchase. 1 point = HUF 1 (about EUR 0.00345)

GOOD SHIPPING PRICES. Favorable shipping prices for all EU countries. Check your country from the list.

SECURE CREDIT CARD PAYMENT. You can safely pay with credit card - you will be redirected to the CIB Bank secure site! We do not receive any card data!

TRANSPARENT BUSINESS. You are buying from one of the top Aquascaping companies in the world. Green Aqua is a known and respected business. Your orders are safe with us.

QUICK ORDER DELIVERY. We have a uniquely huge stock of goods. Our delivery is very quick. Backorders are limited with us.

PROFESSIONAL CUSTOMER SUPPORT. We emphasize on communicating with our client. We all come from the Aquascaping hobby, we would like to help you with your question.

INSPIRATION. Green Aqua has a world-famous Aquascaping Gallery in Törökbálint, Hungary with 22 planted tanks.







Potassium plays an essential role in all vital functions. In plants, for example, potassium is directly involved in stomatal regulation. In addition, potassium carries out important functions in the regulation of enzyme activities in the cells.
Potassium is the third most important element of the macroelements taken up by plants. These are able to take up more potassium than they actually need and store it in the tissue. In nature, there are unlimited amounts of potassium available. In tanks which emphasise plants, though, potassium very quickly drops down to the minimum, so that it becomes a limiting factor for plant growth.
The concentrations of potassium in the drinking waters usually used in aquariums vary considerably, depending on the water supplier. However, drinking water generally tends to have low potassium levels, so that it is usually far below the recommended 10-30 mg/l. It is advisable to determine the current potassium concentration of the water with the JBL K Test Set in order to find the right dosage of the JBL ProScape K Macroelements fertiliser.
JBL ProScape K Macroelements supplies tank water with potassium in the form of water-soluble potassium salts.

Additional Info

NameJBL ProScape K Macroelements 250ml

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Special product delivery

Our main shipping provider - GLS is only delivering our packages up until a certain weight. In some extreme cases - involving shipping of big aquariums, furniture - we will calculate a custom shipping cost, after receiving your order. We will only ship the purchased products after you have confirmed this shipping cost with us.

Our goal is to deliver the plants as quickly as possible to your address, so we are making regular (two times per week) orders to our manufacturers and will send you the fresh plants with GLS as soon as they arrive to us. We also have a uniquely high stock, with hundreds of plants. Please read our terms and conditions.

We would like to inform you that according to the EU regulations we are not allowed to ship live animals or dangerous goods (such as CO2 bottles in example) through our delivery partners. Please note that these can only be picked up at our store. The list of the dangerous goods on sale by Green Aqua can be found here.

Please protect your purchase by always inspecting the package right after delivery. In case of visible damages on the exterior of the package you will need to sigh a written damage form IN THE PRESENCE of the delivery agent! We can only guarantee replacement or resending of any goods if a written damage form or claims form is filled at the time of the delivery! With seamlessly undamaged packages on the exterior, you have 7 days to report any missing or damaged goods from the interor of the package.
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