Lake Therapy 8 lb. Block

Oase 8 lb. Block | Premium Beneficial Bacteria for Pond Health & Clarity

Enhance your pond’s ecosystem with the Oase 8 lb. Block, a high-performance pond treatment designed to support biological filtration and improve water clarity. This concentrated block of beneficial bacteria quickly breaks down organic waste, sludge, and excess nutrients, reducing ammonia and nitrate levels for cleaner, healthier water. Ideal for large ponds, koi ponds, and water gardens, the Oase 8 lb. Block naturally promotes balance, reduces algae growth, and helps maintain optimal water quality year-round.

Key Features:

• Concentrated Beneficial Bacteria – Supports efficient biological filtration
• Reduces Sludge & Waste – Breaks down organic matter, ammonia, and nitrates
• Promotes Clear, Balanced Water – Minimizes algae growth and improves water quality
• Safe for Aquatic Life – Ideal for koi ponds, water gardens, and large aquatic systems
• Long-Lasting Results – Easy-to-use block for continuous pond health

Keep your pond water clear and healthy with the Oase 8 lb. Block, the ultimate solution for a balanced aquatic environment.

• Free Shipping is valid for orders with a subtotal exceeding $199 and all orders will be shipped via UPS. Items purchased for delivery after 3pm will ship the following day. Items purchased for delivery after 3pm on Friday will ship Monday.
• Koi Fish only ship Monday- Wednesday. For orders placed after 3pm on Wednesday, the order will be shipped the following Monday.
• For Motor Freight (LTL) Shipments, oversized or heavy items unsuitable for traditional parcel delivery will be dispatched through a motor freight carrier, as indicated on the product page. Once the carrier receives your order, they will reach out to arrange a delivery time. An individual aged 18 or older must be present to sign for the delivery.
• You may return or exchange an unused or unopened item for a refund (excluding shipping and handling charges) within 30 days of purchase. Following 30 days, the item may be returned in exchange for a store credit. Used chemicals and fish food are not returnable. In addition, all sales on Japanese Koi are final and non-refundable. Should you have any questions or concerns when your fish arrive, please call 908-420-9908.