Cheap DIY Overflow & Sump
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HM Digital TDS-EZ Meter/Tester, Water/ppm/Purity/Filter $47.50 Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. Fun, translucent blue housing that’s very strong and durable. Includes a TDS chart sticker on the back of the meter that explains TDS values. Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution i… |
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HM Digital PH-200 Waterproof pH and Temperature Meter $79.08 Professional Waterproof pH/Temp MeterVery reliable waterproof pH meter measures with an accuracy: of +/- 0.02 pH. Measures pH and Temperature Auto-ranging three point calibration with digital fine tuning Includes 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if it’s dried up Waterproof housing Simultaneous temperature display Measurement Range: 0-14 pH Di… |
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Sonin 00700 Water Alarm with Remote Sensor $10.49 Sounds an 85dB alarm when a leak is detected. Requires one 9-Volt battery. Recommended Use: Alarm, Senses: Water, Decibel Rating: 85, Power Supply: Battery, Battery Type: 9V, Battery Included: No, Compatible With: Sump and bilge pumps, Low Battery Indicator: Yes, Mount Type: Table, shelf, or wall mounted, Dimensions L x W x H (in.): 3 1/2 x 1 1/2 x 3 1/2, Single, Pair, or System: Single… |
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PORTABLE OXYGEN SYSTEM E TANK CYLINDER WITH CART & 15 LPM REGULATOR $139.00 … |
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CO2 Adjustable Flow Pressure Regulator $94.99 The first step to a beautiful planted tank is good lighting. The second is providing the proper amount of CO2 for your plants to utilize. Attach this CO2 Pressure Regulator to your own tank of CO2 and you can read the exact pressure and output of CO2 into your tank. Professional construction includes solenoid diaphragm valve with 1.5 meter power cable and bubble counter including micro adjustment … |
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