Tetra Pond Fountain Block Algae Controller

Tetra Pond Fountain Blocks control the growth of unsightly algae in your ornamental fountain. Simply drop a block into your fountain and watch the algae disappear!.

Helps control algae growth in ornamental water fountains
Clears cloudy water
Each block treats between 30 and 80 gallons

Initial dose may require 1 block for every 30 gallons of water. For regular algae control maintenance, replace the block when it becomes fully dissolved (usually after 10 days).

Important: For containerized ponds and fountains only. Use in compliance with all instructions. NOT FOR USE WITH LIVE FISH OR PLANTS.

Active Ingredients:
Copper Sulfate Pentahydrate - 1.02%
Diuron [3-(3,4-dichlorophenyl)-1, 1-dimethylurea] - 0.51%
Other Ingredients: 98.47%
Total: 100.00%.

We ship 100% of our pet supplies to ensure orders ship fast and are delivered on-time. Orders placed after 6 AM PST ship within 1 business day Monday-Friday, excluding all major holidays. Flat-rate shipping rates based on your sub-total are displayed at checkout for your convenience.

Free Shipping - on orders over $150

Fast Handling - orders after 6AM PST Monday-Friday process in 1 business day

Fast Shipping - packages are delivered in 1-5 business days with FedEx and USPS

We ship within the 48 contiguous United States, excluding Hawaii and Alaska. A FedEx or USPS tracking number will be emailed upon shipment and will provide an accurate estimated delivery date on each carrier's website. FedEx tracking numbers are 12 digits long and USPS tracking numbers are 22 digits long.

Customer satisfaction is extremely important to us. Products may be returned within 30 days of receipt. If you are not 100% satisfied with your purchase, you may return your items for a refund. Returns must be unused, unworn, and in the original condition with manufacturer packaging to warrant a refund.

30 Day Returns - any unused item in the original condition can be returned

Fast Refunds - our returns department will process your refund within 1 week of reciept after inspection

All refunds are processed back to the original payment method at the time of purchase. After a refund has been processed your bank may take 24-72 hours to post the refund back to your account. You can view your order history and refunds online for your convenience.