POND BLOCK 10 pieces + Bacteria
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Choose your option
• For 10,000 L
• Free of thread algae in 10 days
• Control of thread algae and floating algae
The original price was:110,00 99,95The current price is:99,95
Price includes VAT, excludingshipping costs
- Shipped the next business day, Shipped choose your own delivery date
Others bought this for their pond
Simons Pond Advice
• Get a €20 gift after purchase
• Choose your language: NL, DE, FR EN
• From installation to maintenance
POND CARE Maintenance Kit 20,000 L
• All-in-one pond maintenance
• 100% eco-friendly: for 1,000–20,000 L
• Safe for people, plants, and animals
Order 2 packages at once (for spring + fall) and receive a free BLOOM BOOST worth €15
Complete Native Pond Kit3.000
• Makes your pond maintenance-free
• 132 plants + supplies
• Installation:1 to100
Clear pond water without a pump or filter?
Simon's advice
Complete maintenance without water testing or measuring; just pour and you're done. Save money compared to ordering items separately.
Current product
Suggestion
POND BLOCK 10 pieces + Bacteria
• For 10,000 L
• Free of thread algae in 10 days
• Control of thread algae and floating algae
POND CARE Maintenance Kit 40,000 L
• All-in-one pond maintenance
• 100% eco-friendly: for 20,000–40,000 L
• Safe for people, plants, and animals
Order 2 packages at once (for spring + fall) and receive a free BLOOM BOOST worth €15
- Description
Description
BACTA CLEAR: The best bacteria for starting up your pond, clearing out pond sludge, giving your plants a boost, and preventing algae growth
Keep it simple—that’s what it’s all about. The world of pond maintenance used to feel like a jungle, full of different products—some labeled with an “A,” others with a “B,” and then there were those special versions for koi or swimming ponds. Too complicated, I thought. That’s why I’m proud to introduce: BACTA CLEAR.
Why get lost in a maze of products when one hero is all you need? BACTA CLEAR your all-in-one solution. Not only does it get your pond started, but it also cleans the bottom sludge, gives your plants exactly what they need, and keeps both floating and thread algae at bay. And that’s not all. BACTA CLEAR a step further by efficiently breaking down excess Fish food, waste, decaying leaves, and dead algae, turning your pond into a model of biological balance.
Thanks BACTA CLEAR a carefully selected blend of multiple bacterial strains, BACTA CLEAR crystal-clear water and effectively controls algae growth. It is completely eco-friendly and safe for people, plants, and animals. Simply put, BACTA CLEAR peace to your garden and your life.
About this product
Experience the power of combining POND BLOCK and BACTA CLEAR. These two products work together to keep your pond clear and free of algae. Pond Block tackles thread algae by dissolving slowly and remaining active, even when exposed to rain or evaporation. BACTA CLEAR this effect by ensuring crystal-clear water all year round. Together, they create a low-maintenance pond where you can enjoy more and work less.
What makes this product special
POND BLOCK and BACTA CLEAR a perfect pair that stand out for their ease of use and effectiveness. Pond Block is ideal for long-term algae control, even during the colder months. BACTA CLEAR this effect by maintaining clear water, without you having to worry about technical equipment.
Quality and origin
The combination of POND BLOCK and BACTA CLEAR not only for quality, but also for sustainability. Both products are designed to last a long time and reduce the need for frequent maintenance. This means long-lasting protection for your pond with minimal impact on the environment.
Practical Information
When you purchase POND BLOCK and BACTA CLEAR clear instructions on how to use both products together for the best results. POND BLOCK lasts for several months per block, while BACTA CLEAR remains effective BACTA CLEAR the year. Together, they offer the ultimate solution for a healthy and clear pond, with specifications and dosage instructions clearly listed on the packaging.
Here's what our customers have to say!
Excellent
817 reviews on ![]()

The water is finally clear
Purchased: Native Pond Kit 1,500–3,000 L
No matter what I tried, the water in my pond just wouldn't clear up. After exchanging a few emails, I decided to order this complete kit, though to be honest, I wasn't very confident it would work.
The delivery was in good condition and the plants looked healthy. Not much changed during the first few weeks, but after about a month, the water slowly began to clear up.
Now the pond is really in perfect balance. The plants are growing well, and I can even see frogs among the leaves again. I'm really glad I gave this a try.

Plants are growing much better now, and the water is crystal clear
Purchased: STEP ONE Pond substrate
Last year, I had a landscaper install a plant filter in my swimming pond, and he recommended lava rock and some plants from the local garden center. Unfortunately, it all went wrong; the plants died one by one, and I ended up with an algae infestation.
After contacting vdvelde, I was advised to replace the lava rock with Pond substrate to order some additional plants. Now, a few months later, the plants are growing well, and my filter is finally free of algae.

My little city pond
Purchased: Pond Kit Red 100-400L
I’d been dreaming of having a small pond in my city garden for a while, but it always seemed like such a hassle. I found a complete kit online and decided to take a chance, even though I was skeptical about the quality of plants sent by mail. But to my surprise, everything arrived neatly and securely packaged. In no time at all, I had set up my little pond. To my delight, I saw the first water lily bloom after just two months, and as the icing on the cake, I discovered salamanders in my pond. No idea how they got there, but it just makes it even more fun. Truly a joy!

A must-have for anyone with a pond (big or small)
Purchased: Simons Pond Advice
This book has completely met my expectations. It’s a fantastic guide full of great tips on pond construction, pond plants, and design.
I highly recommend buying this.
Great book!

Blue lily: beautiful!
Purchased: Blue Water Lily
Thank you very much for the generous shipment of the marsh irisIris blue”.
The new plants have been planted, and I'm curious to see if they'll bloom this year.
There’s good news about theBlue queenwater lily: It blooms in blue here too—and it’s absolutely stunning!

Removing floor debris without a vacuum cleaner
Purchased: POND CARE Maintenance Kit
After years of accumulation caused by fish, a significant amount of silt had built up in my pond.
At first, I was thinking about getting a pond vacuum, but after talking to customer service, I decided to go with the bottom debris removal kit. I was skeptical, especially since the water got cloudy during the first week. But after a month, the sludge has decreased significantly. No hassle with a vacuum, and a great result!
I’m a fan.

Water lilies greater biodiversity
Purchased: Native Water Lily Field XL
As plant lovers, we were looking for a sustainable addition to our project. The Water lilies vdvelde turned out to be just what we were looking for. Planting the lilies was also a lot of fun. We had requested different varieties, and that wasn’t a problem at all. The delivery was handled professionally, and everything looked great. Within a week, we already saw leaves emerging above the water, and now several flowers are blooming.
Both we and our client are extremely pleased with the result.

Oxygen-producing plants save my fish
Purchased: Oxygenating Plants Package 1,500–3,000 L
My fish were gasping for air, so I looked for an air pump. Then I read that oxygenating plants could solve this problem too. I ordered the package that fits my pond, and now my fish are swimming around carefree again. An added bonus: my pond water is much clearer. Happy fish, happy me!

I'm really happy with my little pond
Purchased: Pond Kit Red 25-90L
This handy kit helped me set up my mini pond in no time. It comes with everything you need!
The service and advice were excellent—much better than at the garden center, where nobody really knows anything.

From maintenance to an organic swimming pond
Purchased: Plant Filter Package 8–12 m²
I was tired of constantly cleaning the pump, so I decided to convert my pond into a natural swimming pond. With the plant filter kit from vdvelde.com, it turned out perfectly! Now I enjoy a beautiful, natural filter and lovely swimming water.



























