Japanese Oyster Shell Halves in Net Bag 5 kg
Oyster Shells have been used for years by Koi professionals to help with the pH of the water and to maintain optimal water conditions and is extensively used in Japan.
Oyster Shells have been used for years by Koi professionals to help with the pH of the water and to maintain optimal water conditions and is extensively used in Japan.
Since the Oyster Shells will generally raise the pH level in your water, these should only be used in cases of low pH.
Oyster Shell generally will raise the level of the pH.
For those that ever ever been to Japan, Oyster shell is used extensively by the breeders in Japan, these soluble (soft) shells are used to stabilise the pH.
Oyster shells stabilise the pH / KH-value which prevents pH crash. If the KH value drops to this starts to dissolve the shells until balance is reached again. Nitrifying bacteria also grows on the oyster shell.
Standard Delivery Monday to Friday, via DPD or APC
You will receive from our courier tracking details once your item has been despatched, please ensure you check your email / mobile number to monitor your parcel in transit.
Delivery costs for standard items in the UK - £5.95
(Surcharges do apply to remote postcodes)
Heavy items - £9.95
Pipe - £14.95
Larger items:
Palletised items - Some large oversize products, typically items weighing more than 30kg, may require delivery via pallet. Standard Pallet charge is approx. £50.00. To ensure there are no delays with delivery, please include a contact number when placing the order.
Overseas – DHL and UPS, cost based on weight / volume at checkout.
Damages
Although we check that items we send are in good condition before despatched and are packed well to prevent damage, it is sometimes inevitable that the occasional item will get broken in transit.
Should this happen, please let us know within 24 hours of receiving your parcel. We will ask you to email us providing some images of the damage so we can address this with the courier.
We will arrange for a replacement to be sent out to you as quickly as possible, free of charge.