Aquarium Automatic

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Lab grade temperature control valve for automatic aquarium water change system?

Ok, I need to find a laboratory grade temperature control valve, that can keep water flowing through it at 80 degrees with accuracy within less than half a degree. I am building an automatic water change system, and this is the one part I cannot find. Does anyone know where I can find one?

Also, it needs to be capable of taking a fairly large flow, as the tank is 220 gallons.

All I can think of is to try a plumbers supply centre. Its the type of thing that a household central heating system might use
Unfortunately I cant be any more specific – wrong continent!

All my water delivery systems use ‘push-fit’ plastic plumbing pipework that leads from my ro unit
To do water changes I open one set of taps and drain straight into my outside drains then refill by reversing the flow so water from the ro unit goes straight into the tank.
I add any minerals or nutrients through my filtration systems. It was a nightmare to set up but especially now since I’ve recently had a stroke it makes life so much easier to do water changes. My biggest tank is around 300imp gallon and I don’t think I’d manage to carry enough buckets without falling over several times to do water changes without the pipework

Resun AF-2009D Automatic Auto Digital Timer Food Feeder Fish Aquarium New $2.17

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Auto Automatic Tank Aquarium Fish Food Feeding Feeder $13.99

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AQUARIUM FISH TANK SIPHON LEES AUTOMATIC W/5' HOSE $10.00

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New Digital Automatic Aquarium★ Fish Food Feeder Timer★ $1.56

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Extech RF20 0 Parts per Thousand to 100 Parts per Thousand Automatic Temperature Compensation Salinity Refractometer $63.99 Salinity refractometer measures the concentration of dissolved salt in water --- Includes: (1) Carrying Case; (1) Calibration screwdriver...

Sybon Refractometer with Automatic Temperature Compensation $49.99 For the most precise measurement of salinity, the experts use a Refractometer. This high-tech instrument is used to measure salinity when perfect conditions are needed for breeding, or keeping very delicate corals. This easy-to-use and read device will allow you to keep track of your tank's salinity fluctuations. This instrument also features ATC, automatic temperature compensation that will allow...

pH Probe with Automatic Temperature Compensation (BNC) $76.75 pH Probe with ATC by Sper Scientific. Probe has standard BNC connector. Copy and paste the following link into your browser address bar to see all Sper Scientific pH products on Amazon.com: http://goo.gl/gaTY4...

LED Projectables 11282 Solar System Night Light $5.39 Light Bulb:LED Globe rotates to project solar system on ceiling, the LED Planets Night Light projects a 3ft (approx.) solar system on 8 to 12 ceiling. Light sensing- on at dusk, off at dawn. Cool to the touch Long life LED - no bulbs to replace...

Sierra Tools JB5684 Battery Operated Liquid Transfer Pump $7.99 PUMPS GAS, WATER, OIL, AND OTHER NON CORROSIVE LIQUIDS. USE IN GARAGE, AQUARIUMS, BASEMENT, BATHROOM, SHOPS AND THE YARD. PUMPS 5 TO 6 QUARTS OF LIQUID PER MINUTE!Number of Pieces: 1Material: PlasticWarranty Description: 1 Year Limited Manufacturer WarrantyDimensions: Length: 23.5 "; Width: 1.77 "; Depth: 4.13 "Product Weight: 0.5 Lb....

GE 10908 Color Changing LED Aquarium Night Light $7.48 This night light cycles through red, blue, green, and multi-color phases, lighting the aquarium design which is complete with decorative plastic fish and plants floating in a fluid-filled tank. This night light can be positioned so that it will not block a second electrical outlet. A light sensor automatically switches the night light on and off....

Aquarium Automatic Fish Food Tank Feeder Timer Home BLK Your fish can enjoy your considerable care and love at home whenever you are. Features: -Mini shape, space saving -Simple operation and installation -Safe and convenient -A clear easy-to-read LCD screen which shows all info at a glance. -Patented design for moisture proofing, mixing, and crumbling food -Fill the container with food without disassembling the automatic feeder -Programmable food vo...

Aquarium Automatic Fish Food Tank Feeder Timer Home BLK Your fish can enjoy your considerable care and love at home whenever you are. Features: -Mini shape, space saving -Simple operation and installation -Safe and convenient -A clear easy-to-read LCD screen which shows all info at a glance. -Patented design for moisture proofing, mixing, and crumbling food -Fill the container with food without disassembling the automatic feeder -Programmable food vo...

Pro Balance® 14-Day Vacation Feeding Blocks for Fish, 2-pack $1.75 Pro Balance® Vacation Feeding Blocks help you enjoy your vacation while ensuring your precious fish are well fed. This package includes 2 fish-shaped feeders that can each feed 1-3 fish for up to 14 days. Each 14-Day Block releases a nutritious blend of freeze-dried foods and essential vitamins & minerals while also helping to neutralize your aquarium water pH levels. Simply place one block in yo...

Pro Balance® Betta 7-Day Vacation Feeding Blocks, Fish Shape (6/Card) $0.01 Pro Balance® Betta Vacation Feeding Blocks help you enjoy your vacation while ensuring your precious Betta are well fed. This package include 6 fish-shaped feeders that can each feed 1-3 fish for up to 7 days. Each 7-Day Betta Block releases a nutritious blend of freeze-dried foods and essential vitamins while also helping to neutralize your aquarium water pH levels. Simply place one block in you...