{"product_id":"cup-359-annual-service-kit-9w-bulb-quartz-sleeve-foams","title":"CUP-359 Annual Service Kit - 9w Bulb, Quartz Sleeve, O-Rings \u0026 Foams","description":"\u003cp\u003e\u003cstrong\u003eA full year of service parts for the CUP-359, in one delivery.\u003c\/strong\u003e An all-in-one unit has four consumables on the same yearly cycle - the UV lamp, the quartz sleeve it sits in, the seals that keep it watertight, and the filter foams. Bought separately they arrive as four orders in four parcels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContains\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x AllPondSolutions 9w PLS UV bulb, 163mm, 2 pin\u003c\/li\u003e\n\u003cli\u003e1 x CUP-359 replacement quartz sleeve\u003c\/li\u003e\n\u003cli\u003e1 x CUP-359 O-ring pack - parts 8, 10, 18 and 21\u003c\/li\u003e\n\u003cli\u003e1 x CUP-359 replacement filter foam set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCheaper than buying the parts separately, and it all arrives together rather than as four parcels.\u003c\/p\u003e\n\u003cdiv style=\"border:1px solid #E2C275;border-left:6px solid #D98A00;background:#FFF8E7;border-radius:6px;padding:16px 18px;margin:18px 0;\"\u003e\n\u003cp style=\"margin:0 0 8px;font-size:17px;line-height:1.3;font-weight:700;color:#7A4E00;\"\u003eImportant — do not change all your foam on the same day\u003c\/p\u003e\n\u003cp style=\"margin:0 0 10px;color:#3D3D3D;line-height:1.5;\"\u003eThe foam in your filter holds the bacteria colony that keeps your pond safe. It takes weeks to establish and minutes to throw away. Replace it all in one go and your pond effectively starts from scratch — ammonia and nitrite climb, and your fish are the ones that suffer.\u003c\/p\u003e\n\u003cul style=\"margin:0;padding-left:20px;color:#3D3D3D;line-height:1.5;\"\u003e\n\u003cli style=\"margin-bottom:5px;\"\u003eSwap \u003cstrong\u003eno more than half\u003c\/strong\u003e the foam at a time\u003c\/li\u003e\n\u003cli style=\"margin-bottom:5px;\"\u003eLeave \u003cstrong\u003e2 to 4 weeks\u003c\/strong\u003e between changes so the new foam can colonise\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0;\"\u003eRinse the foam you are keeping in \u003cstrong\u003epond water only\u003c\/strong\u003e — chlorine from the tap kills bacteria on contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eLamp specification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e9w PLS germicidal UV-C lamp\u003c\/li\u003e\n\u003cli\u003e163mm overall length\u003c\/li\u003e\n\u003cli\u003e2 pin fitting\u003c\/li\u003e\n\u003cli\u003eAverage lifespan approximately 9,000 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e AllPondSolutions CUP-359 2000L\/H all-in-one pond pump, filter and UV.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to replace the lamp\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA UV bulb stops working long before it stops glowing. The visible light remains while the invisible UV-C output fades, so a lamp that still lights up can be doing nothing for your water. Replace it every 12 months for clarification duty, or every 6 months if you are running it for sterilisation.\u003c\/p\u003e\n\u003cp\u003eClean or replace the quartz sleeve at every lamp change. Full step by step in our \u003ca href=\"\/pages\/uv-steriliser-maintenance-guide\"\u003eUV Steriliser Maintenance Guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitting.\u003c\/strong\u003e Isolate the power supply before opening the unit. Lightly lubricate the O-rings with a silicone-based lubricant on reassembly to keep the seal watertight.\u003c\/p\u003e","brand":"AllPondSolutions","offers":[{"title":"Default Title","offer_id":56402017255803,"sku":"SK-CUP359","price":24.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/7220\/5341\/files\/CUP-359ServiceKit.png?v=1790333251","url":"https:\/\/www.allpondsolutions.co.uk\/products\/cup-359-annual-service-kit-9w-bulb-quartz-sleeve-foams","provider":"AllPondSolutions","version":"1.0","type":"link"}